TY  - BOOK
AU  - Sebeok,Thomas A.
AU  - Umiker-Sebeok,Donna Jean
TI  - Speaking of apes: a critical anthology of two-way communication with man 
SN  - 0306402793
PY  - 1980///
CY  - New York
PB  - Plenum Press
KW  - Chimpanzees
KW  - Psychology
KW  - Human
KW  - animal communication
KW  - Language and languages
KW  - Animal communication
N1  - Includes index
ER  -