Stebbins, A field guide to western reptiles and amphibians.
Stebbins, A field guide to western reptiles and amphibians.
Zoologie Stebbins, Robert C.: A field guide to western reptiles and amphibians. Field marks of all species in western North America. Boston. Houghton Mifflin Comp. 1966. XIV, 279 S., 39 z.Tl. farbige Tafeln, 190 Verbreitungskarten. Paperback. The Peterson field guide series, 16.