Handbuch Der Zootierkrankheiten, Band 1: Reptilien by Rudolf Ippen (German) Hard
Handbuch Der Zootierkrankheiten, Band 1: Reptilien. by Rudolf Ippen, Hans-Dieter Schröder, Karl Elze, Peernel Zwart. Language German. Edited by Hans-Dieter Schröder. Publication Date 1985-01-01. UK Release Date 1985-12-31.
