Petra, mein Schimpansenkind /

Bibliographic Details
Main Author:	Hess, Lilo
Format:	Book
Language:	German
Published:	Stuttgart : Kosmos, Gesellschaft der Naturfreunde : Franckh'sche Verlagshandlung, 1956.
Subjects:	Chimpanzees as pets. Chimpanzees > Psychology > Case studies. Animal intelligence.

Description
Physical Description:	111 pages : illustrations ; 20 cm.