Witten i i (33 resultados)
Backyard Livestock : Raising Good, Natural Food for Your Family
Thomas, Steven; Looby, George P.; Howell, Mark (ILT); Witten, Patricia (ILT)
Idioma: Inglés
Editorial: Countryman Press, 2017
- Tapa blanda
Librería: GreatBookPrices, Columbia, MD, Estados Unidos de AmericaGreatBookPrices
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 15,94
Envío por EUR 2,28Se envía dentro de Estados Unidos de AmericaCantidad disponible: 15 disponibles
Condición: New.
Backyard Livestock : Raising Good, Natural Food for Your Family
Thomas, Steven; Looby, George P.; Howell, Mark (ILT); Witten, Patricia (ILT)
Idioma: Inglés
Editorial: Countryman Press, 2017
- Tapa blanda
Librería: GreatBookPrices, Columbia, MD, Estados Unidos de AmericaGreatBookPrices
Contactar con el vendedorVendedor de 5 estrellasCondición: Usado - Como Nuevo
EUR 17,54
Envío por EUR 2,28Se envía dentro de Estados Unidos de AmericaCantidad disponible: 15 disponibles
Condición: As New. Unread book in perfect condition.
Idioma: Inglés
Editorial: Elsevier, 2005
Serie: Libro 16 de 22 - The Morgan Kaufmann Series in Data Management Systems
- Tapa blanda
Librería: Anybook.com, Lincoln, Reino UnidoAnybook.com
Contactar con el vendedorVendedor de 5 estrellasCondición: Usado - Aceptable
EUR 5,55
Envío por EUR 15,85Se envía de Reino Unido a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Condición: Good. This is an ex-library book and may have the usual library/used-book markings inside.This book has soft covers. Clean from markings. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,1250grams, ISBN:9780120884070.
- Tapa dura
Librería: BookDepart, Shepherdstown, WV, Estados Unidos de AmericaBookDepart
Contactar con el vendedorVendedor de 5 estrellasCondición: Usado - Aceptable
EUR 16,11
Envío por EUR 7,30Se envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponibles
Hardcover. Condición: UsedGood. Hardcover; surplus library copy with the usual stampings; reference number taped to front cover; fading and shelf wear to exterior; otherwise in good condition with clean text, firm binding. Bibliography: p. 154-155. Includes index.
The Vinland Map and the Tartar Relation
R. A. Skelton; Thomas E. Marston; George D. Painter; Wilcomb E. Washburn; Thomas A. Cahill; Bruce H. Kusko; Laurence C. Witten II
Idioma: Inglés
Editorial: Yale University Press, New Haven and London, 1995
- Tapa dura
Librería: Henry Stachyra, Bookseller, Stillwater, MN, Estados Unidos de AmericaHenry Stachyra, Bookseller
Contactar con el vendedorVendedor de 5 estrellasCondición: Usado - Aceptable
EUR 22,28
Envío por EUR 4,11Se envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponibles
Hardcover. Condición: Good+. Estado de la sobrecubierta: Good+. New Edition. lxvii, 291pp. + 18 plates. Foreword by Alexander O. Vietor. Introduction by George D. Painter. In addition to the plates, the volume includes additional black and white illustrations. Cloth clean and bright and binding sound. Minor dings to corners of a… small number of pages and a minor bump to fore-edges of same. Text clean. Several tiny tears and light wear to dust-jacket, with just a hint of soiling in a few places. Overall, a nice, clean, sound, and attractive copy. Volume measures approximately 11.75" x 9.25" x 1.75".
DATA MINING : PRACTICAL MACHINE LEARNING TOOLS AND TECHNIQUES, 4TH EDITION
IAN H. WITTEN, EIBE FRANK & MARK A. HALL , CHRISTOPHER J. PAL
- Tapa blanda
- Edición internacional
Librería: Romtrade Corp., STERLING HEIGHTS, MI, Estados Unidos de AmericaRomtrade Corp.
Contactar con el vendedorVendedor de 5 estrellasEdición internacionalCondición: Nuevo
EUR 27,61
Gastos de envío gratisSe envía dentro de Estados Unidos de AmericaCantidad disponible: 5 disponibles
Condición: New. Brand New. Soft Cover International Edition. Different ISBN and Cover Image. Priced lower than the standard editions which is usually intended to make them more affordable for students abroad. The core content of the book is generally the same as the standard edition. The country selling restrictions may be print…ed on the book but is no problem for the self-use. This Item maybe shipped from US or any other country as we have multiple locations worldwide.
DATA MINING : PRACTICAL MACHINE LEARNING TOOLS AND TECHNIQUES, 4TH EDITION
IAN H. WITTEN, EIBE FRANK & MARK A. HALL , CHRISTOPHER J. PAL
- Tapa blanda
Librería: SMASS Sellers, IRVING, TX, Estados Unidos de AmericaSMASS Sellers
Contactar con el vendedorVendedor de 4 estrellasCondición: Nuevo
EUR 28,58
Gastos de envío gratisSe envía dentro de Estados Unidos de AmericaCantidad disponible: 5 disponibles
Condición: New. Brand New, Softcover edition. This item may ship from the US or our Overseas warehouse depending on your location and stock availability.
- Tapa dura
Librería: Anybook.com, Lincoln, Reino UnidoAnybook.com
Contactar con el vendedorVendedor de 5 estrellasCondición: Usado - Pobre
EUR 14,28
Envío por EUR 15,85Se envía de Reino Unido a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Condición: Poor. Volume 2. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In poor condition, suitable as a reading copy. No dust jacket. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,550grams, ISBN:0127607…501.
- Tapa dura
Librería: Anybook.com, Lincoln, Reino UnidoAnybook.com
Contactar con el vendedorVendedor de 5 estrellasCondición: Usado - Pobre
EUR 19,96
Envío por EUR 15,85Se envía de Reino Unido a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Condición: Poor. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In poor condition, suitable as a reading copy. No dust jacket. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,750grams, ISBN:0127607609.
THE VINLAND MAP AND THE TARTAR RELATION, New Edition.
R.A. Skelton, Thomas E. Marston, and George D. Painter; Foreword by Alexander O. Vietor. New Edition with an Introduction by George D. Painter and Essays by Wilcomb E. Washburn, Thomas A. Cahill and Bruce H. Kusko, and Laurence C. Witten II.
Editorial: Yale University press, New Haven and London, 1995
- Tapa dura
Librería: JBK Books, North Manchester, IN, Estados Unidos de AmericaJBK Books
Contactar con el vendedorVendedor de 5 estrellasCondición: Usado - Muy bueno
EUR 21,84
Envío por EUR 5,62Se envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponibles
Añadir al carritoHardcover. Condición: Near Fine. Estado de la sobrecubierta: Fine. 291pp; Index. Contents clean, tight, unmarked; no library stamps. Comes with Gaylord book jacket cover. Dark blue cloth with gilt lettering on spine. 30 cm x 23 cm. The Vinland Map dates to at least fifty years before Columbus landed in the Americas. It shows an…outline of the northeast American coast, and the story of Leif Eiriksson, the Norseman from Greenland who discovered it in about the year 1000.
- Tapa blanda
Librería: Romtrade Corp., STERLING HEIGHTS, MI, Estados Unidos de AmericaRomtrade Corp.
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 52,32
Gastos de envío gratisSe envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponibles
Condición: New. This is a Brand-new US Edition. This Item may be shipped from US or any other country as we have multiple locations worldwide.
- Tapa blanda
Librería: Basi6 International, Irving, TX, Estados Unidos de AmericaBasi6 International
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 52,32
Gastos de envío gratisSe envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponibles
Condición: Brand New. New. US edition. Expediting shipping for all USA and Europe orders excluding PO Box. Excellent Customer Service.
- Tapa blanda
Librería: Books Puddle, New York, NY, Estados Unidos de AmericaBooks Puddle
Contactar con el vendedorVendedor de 4 estrellasCondición: Usado
EUR 62,12
Envío por EUR 3,45Se envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponibles
Condición: Used. pp. 350 1st Edition.
- Tapa blanda
Librería: Majestic Books, Hounslow, Reino UnidoMajestic Books
Contactar con el vendedorVendedor de 4 estrellasCondición: Usado
EUR 58,91
Envío por EUR 7,58Se envía de Reino Unido a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Condición: Used. pp. 350.
- Tapa blanda
Librería: Biblios, frankfurt am main, HESSE, AlemaniaBiblios
Contactar con el vendedorVendedor de 4 estrellasCondición: Usado
EUR 60,12
Envío por EUR 9,95Se envía de Alemania a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Condición: Used. pp. 350.
Más imágenesRELATIVITY: PROCEEDINGS OF THE RELATIVITY CONFERENCE IN THE MIDWEST, HELD AT CINCINNATI, OHIO, JUNE 2-6, 1969
Carmeli, Moshe, Stuart I. Fickler, and Louis Witten, editors
Editorial: Plenum Press, 1970
- Tapa dura
Librería: GLOVER'S BOOKERY, ABAA, Lexington, KY, Estados Unidos de AmericaGLOVER'S BOOKERY, ABAA
Contactar con el vendedorVendedor de 4 estrellasCondición: Usado - Bueno
EUR 44,56
Envío por EUR 5,15Se envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponibles
Añadir al carritoHardcover. Condición: Very Good. Estado de la sobrecubierta: Very Good. 9.9 X 6.7 X 1.2 inches; Previous owners name, wonderful book in dust jacket with edge wear and short edge tears at the spine head and corner, still a really nice attractive book, from a smokers house.
Web Dragons: Inside the Myths of Search Engine Technology
Witten, Ian H./ Gori, Marco/ Numerico, Teresa/ Witten, I. H.
- Tapa blanda
Librería: Revaluation Books, Exeter, Reino UnidoRevaluation Books
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 72,83
Envío por EUR 14,57Se envía de Reino Unido a Estados Unidos de AmericaCantidad disponible: 2 disponibles
Paperback. Condición: Brand New. 1st edition. 261 pages. 9.25x7.25x0.75 inches. In Stock.
- Tapa dura
Librería: THE SAINT BOOKSTORE, Southport, Reino UnidoTHE SAINT BOOKSTORE
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 104,81
Envío por EUR 24,91Se envía de Reino Unido a Estados Unidos de AmericaCantidad disponible: Más de 20 disponibles
Hardback. Condición: New. New copy - Usually dispatched within 4 working days.
Quantum Fields and Strings: v. 1 & 2: A Course for Mathematicians: v. 1 & 2
. Ed(s): Deligne, Pierre; Etingof, Pavel I.; Freed, Daniel S.; Jeffrey, Lisa C.; Kazhdan, D. A.; Morrison, David R.; Morgan, John W.; Witten, Edward
- Tapa blanda
Librería: Kennys Bookshop and Art Galleries Ltd., Galway, GY, IrlandaKennys Bookshop and Art Galleries Ltd.
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 145,23
Envío por EUR 9,50Se envía de Irlanda a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Condición: New. Ideas from quantum field theory and string theory have had considerable impact on mathematics. In 1996-97 the Institute for Advanced Study (Princeton, NJ) organized a special year-long program designed to teach mathematicians the basic physical ideas which underlie the mathematical applications. These volumes are… a written record of the program. Editor(s): Deligne, Pierre; Etingof, Pavel I.; Freed, Daniel S.; Jeffrey, Lisa C.; Kazhdan, D. A.; Morrison, David R.; Morgan, John W.; Witten, Edward. Num Pages: 1501 pages, index. BIC Classification: PHQ; PHV. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly. Dimension: 254 x 172 x 83. Weight in Grams: 2648. . 2000. paperback. . . . .
Quantum Fields and Strings: v. 1 & 2: A Course for Mathematicians: v. 1 & 2
. Ed(s): Deligne, Pierre; Etingof, Pavel I.; Freed, Daniel S.; Jeffrey, Lisa C.; Kazhdan, D. A.; Morrison, David R.; Morgan, John W.; Witten, Edward
- Tapa blanda
Librería: Kennys Bookstore, Olney, MD, Estados Unidos de AmericaKennys Bookstore
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 150,00
Envío por EUR 9,09Se envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponibles
Condición: New. Ideas from quantum field theory and string theory have had considerable impact on mathematics. In 1996-97 the Institute for Advanced Study (Princeton, NJ) organized a special year-long program designed to teach mathematicians the basic physical ideas which underlie the mathematical applications. These volumes are… a written record of the program. Editor(s): Deligne, Pierre; Etingof, Pavel I.; Freed, Daniel S.; Jeffrey, Lisa C.; Kazhdan, D. A.; Morrison, David R.; Morgan, John W.; Witten, Edward. Num Pages: 1501 pages, index. BIC Classification: PHQ; PHV. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly. Dimension: 254 x 172 x 83. Weight in Grams: 2648. . 2000. paperback. . . . . Books ship from the US and Ireland.
Idioma: Inglés
Editorial: Yale University Library, New Haven, Connecticut, 1977
- Tapa dura
- Primera edición
Librería: About Books, Henderson, NV, Estados Unidos de AmericaAbout Books
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 708,52
Envío por EUR 6,01Se envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponibles
Hardcover. Condición: New. New slipcase in mailing carton. First Edition, Limited 500 sets. New Haven, Connecticut: Yale University Library, 1977. BRAND NEW in a BRAND NEW slipcase. Perfect condition. Still sealed in the publisher's original shipping carton. [This description is based on an identical set in our reference library…]. 1977. First Edition. Limited to 500 sets. Volumes 3 & 4 only (the 2 manuscript volumes). Volume Three: Manuscripts 1225-1671, and Volume Four: Manuscripts 1675-1922. Magnificently illustrated including many full color reproductions. Meticulous descriptions and historical context are provided for 149 manuscripts from the Mellon collection. Among the highlights are manuscripts by Paracelsus, Ramon Lull, Johann Hollandus, Isaac Newton, etc. Cross referenced to Duveen and De Ricci-Bond. This lavishly produced work weighs some 15 pounds. The 2 volumes are uniformly bound in the original two tone cloth (blue with oatmeal spines), stamped in bright gold over black leather (or leatherette?) label on the spine. The two-compartment slipcase is bound in matching blue cloth with printed paper labels on the spine and front cover. Oversize Hardcover. 9.75" wide by 13" tall by 6" thick. This large, extremely heavy 2 volume set will require extra postage for Priority and International shipments. But for media mail, you pay only our standard charge for 1 volume and we ship the second volume at no extra cost. First Edition, Limited 500 sets. Oversize Hardcover. New/New slipcase in mailing carton. Illus. by We ship 2 volumes for cost of 1 via media mail. 2 volume set: 949pp. Great Packaging, Fast Shipping. We ship 2 volumes for cost of 1 via media mail (ilustrador).
Idioma: Inglés
Serie: Libro 16 de 22 - The Morgan Kaufmann Series in Data Management Systems
- Tapa blanda
Librería: liu xing, Nanjing, JS, Chinaliu xing
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 80,37
Envío por EUR 15,57Se envía de China a Estados Unidos de AmericaCantidad disponible: 1 disponibles
paperback. Condición: New. Paperback. Pub Date: 2005 Pages: 524 in Publisher: Machinery Industry Press classic original stacks Data Mining: Practical Machine Learning Technology (English Edition) (2) (new version) of the first edition in 1999 the major changes. Although the core concept has not changed. but the book was updated…so that it can reflect the changes in the past five years. References almost doubled. The important part of the new version include: 30 new chapters; strengthen Weka machine learning work platfo.
The Vinland Map and the Tartar Relation
Skelton, R.A. (With Thomas E. Marston & George D. Painter.) (Contributor Thomas A. Cahill; Bruce H. Kusko; Wilcomb E. Washburn; Laurence C. Witten, II.)
Editorial: Yale University Press, New Haven
- Tapa dura
Librería: Burton Lysecki Books, ABAC/ILAB, Winnipeg, MB, CanadaBurton Lysecki Books, ABAC/ILAB
Contactar con el vendedorVendedor de 5 estrellasCondición: Usado
EUR 56,15
Envío por EUR 21,63Se envía de Canada a Estados Unidos de AmericaCantidad disponible: 1 disponibles
[0-300-06520-5] 1995, new edition. (4to) Very good plus in very good dust jacket. lxvi, 291pp. Black and white and color photographs, maps, folding maps, notes, bibliography, indices. Contributors include Thomas A. Cahill, Bruce H. Kusko, Wilcomb E. Washburn, Laurence C. Witten, II. Foreword by Alexander O. Vietor. Locale: Vinla…nd. (Canada, Cartography, Mongols, Vikings).
Data Mining Practical Machine Learning techniques (the original version 2)(Chinese Edition)
(XIN XI LAN)WEI TENG (Witten I.H.) (XIN XI LAN)FU LAN KE (Frank E.) DONG LIN DENG YI
Idioma: Chino
Editorial: Machinery Industry Press Pub. Date :2006-02-01, 2000
- Tapa blanda
Librería: liu xing, Nanjing, JS, Chinaliu xing
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 65,79
Envío por EUR 15,57Se envía de China a Estados Unidos de AmericaCantidad disponible: 3 disponibles
Soft cover. Condición: New. Language:Chinese.Author:(XIN XI LAN)WEI TENG (Witten I.H.) (XIN XI LAN)FU LAN KE (Frank E.) DONG LIN DENG YI.Binding:Soft cover.Publisher:Machinery Industry Press Pub. Date :2006-02-01.
Editorial: London Academic Press, 1982
Librería: Zentralantiquariat Leipzig GmbH, Leipzig, AlemaniaZentralantiquariat Leipzig GmbH
Contactar con el vendedorVendedor de 5 estrellasCondición: Usado
OportunidadPrecio actual: EUR 20,00
Envío por EUR 48,00Se envía de Alemania a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Añadir al carritoXI, 286 S. OPp. Bibliotheksex. m. Deckel- u. Rsign. St. a. Innendeckel u. verso Tit. Schnitt farb. markiert. (Computers a. People) Sprache: Englisch.
- Tapa blanda
Librería: Goodwill of Silicon Valley, SAN JOSE, CA, Estados Unidos de AmericaGoodwill of Silicon Valley
Contactar con el vendedorVendedor de 5 estrellasCondición: Usado - Aceptable
EUR 84,55
Envío por EUR 3,45Se envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponibles
Condición: good. Supports Goodwill of Silicon Valley job training programs. The cover and pages are in Good condition! Any other included accessories are also in Good condition showing use. Use can include some highlighting and writing, page and cover creases as well as other types visible wear.
Radio Craft, and Popular Electronics, Incorporating Short Wave Craft, Television News, Radio and Television, September 1945, Volume XVI, No. 12 - Radio Robot Flame Tanks Cover Illustration By Alex Schomburg
Gernsback, H.; Witten, E.; Lee, J.; Rhita, N.; Sturley, Dr. K.; Hoefler, D.; Scott, R.; Straede, J.; Conklin, G.; Treakle, L.; Queen, I.; Gaydo, G.; Amorose, J.; Et al
Editorial: Radcraft Publications Inc., Springfield MA, USA, 1945
- Tapa blanda
- Primera edición
- Revista/Periódico
Librería: RareNonFiction, IOBA, Ladysmith, BC, CanadaRareNonFiction, IOBA
Contactar con el vendedorVendedor de 5 estrellasMiembro de asociación: IOBA
Condición: Usado - Aceptable
EUR 133,64
Envío por EUR 17,30Se envía de Canada a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: Good. First Edition. Pages 751-818. Features: Fantastic cover art by Alex Schomburg depicts radio robot flametanks on a Japanese landscape; Dynamic Phono Pickup - moving-coil principle overcomes deficiencies of older types; Radio Robot Flame Tanks - feature article; Making Wartime Engineers; A Decibel Nomog…raph; Radios Serviced by Observation - Sight, Hearing, Touch, Small and Taste are Valuable Instruments for Checking Receivers; Tube Replacements - part 3 - Replacement by means of adapters; Adapter for the V.T.V.M.; Beware the Serviceman - how to avoid being gypped by the master racketeer; Broadast Equipment, Part XI - Frequency and Modulation Monitors; Detector Circuits - Part II - Hi-Fi Triode Detectors; Negative Feedback - Part II - feedback to the screen-grid circuit; "Loud" Crystal Radio; World-wide Station List; and much more. Average wear. Unmarked. A worthy vintage copy. Schomburg, Alex (cover); (ilustrador).
- Tapa blanda
Librería: liu xing, Nanjing, JS, Chinaliu xing
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 95,73
Envío por EUR 15,57Se envía de China a Estados Unidos de AmericaCantidad disponible: 3 disponibles
paperback. Condición: New. Paperback. Pub Date :2014-05-01 Pages: 480 Publisher: Machinery Industry Press. Data Mining: Practical Machine Learning Tools and Techniques (original book 3rd edition) is a classic in the field of machine learning and data mining. the best-selling textbook. is Many foreign schools selected materials.…The book describes in detail the techniques and tools of machine learning and data mining practices for the field. and provides an open platform for data mining Weka. This book includes: data in.
Más imágenesEditorial: Plenum, 1970
- Tapa dura
- Primera edición
Librería: Virtual Books, Vancouver, WA, Estados Unidos de AmericaVirtual Books
Contactar con el vendedorVendedor de 4 estrellasCondición: Usado - Bueno
EUR 435,81
Envío por EUR 5,19Se envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponibles
Añadir al carritoHardcover. Condición: Very Good. No Jacket. 1st Edition. VERY GOOD; 1st. edition; the pages are clean and unmarked except for some neat underlining on a few pages and there is a signature on flyleaf; the binding is solid and the covers have only minor wear.
- Tapa blanda
Librería: liu xing, Nanjing, JS, Chinaliu xing
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 72,19
Envío por EUR 15,57Se envía de China a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Añadir al carritopaperback. Condición: New. Pub Date :2006-07-01 Pages: 362 Publisher: Data Mining Machinery Industry Press book basic theory and practice. The main contents include: various models (decision trees. association rules. linear models. clustering. Bayesian networks and neural networks) as well as in practice. kept any defects in the… analysis. Safely clean data set. set up. and predict the quality of the assessment model. and provide a public work platform Weka data mining. Weka system has a the thousand works graphical use.
