TY  - BOOK
AU  - Akmajian, Adrian.
AU  - Demers, Richard A.
AU  - Harnish, Robert M.
TI  - Linguistics : : introduction to language and communication 
SN  - 0262510197
U1  - 410  1
PY  - 1979///
CY  - London
PB  - MIT Press
KW  - Animal communication systems
KW  - Human language and communication
KW  - The capacity for languages: two perspectives
ER  -