TY  - BOOK
AU  - Linden, Eugene
TI  - Apes, men, and language: updated with a a new afterword 
SN  - 0140218963
AV  - QL 737 L56 1986
PY  - 1981///
CY  - New York
PB  - Penguin Books
KW  - Chimpanzees - Behavior
KW  - Human-animal communication
ER  -