Publicado por Museum of Comparative Zoology, Harvard University, 1963
Librería: Eryops Books, Stephenville, TX, Estados Unidos de America
No Binding. Condición: Very Good. ORIGINAL 1963 Reprint/Offprint of journal article; no covers issued; in very good condition. Journal.
Publicado por Museum of Comparative Zoology, Harvard University., 1965
Librería: Eryops Books, Stephenville, TX, Estados Unidos de America
Soft cover. Condición: Very Good. ORIGINAL 1965 Reprint/Offprint of journal article; softcovers; in very good condition. Journal.