Cranial and bacular variation in population of spiny rats of the genus Proechimys (Rodentia: Echimydae) from South American /
Martin, Robert E.
Cranial and bacular variation in population of spiny rats of the genus Proechimys (Rodentia: Echimydae) from South American / Robert E. Martin. - Washington : Smithsonian Institution Press, 1970. - 19 p. : ill. ; 27 cm. - Smithsonian contributions to zoology ; 35 .
Cranial and bacular variation in population of spiny rats of the genus Proechimys (Rodentia: Echimydae) from South American / Robert E. Martin. - Washington : Smithsonian Institution Press, 1970. - 19 p. : ill. ; 27 cm. - Smithsonian contributions to zoology ; 35 .