TY  - BOOK
AU  - Smith,William John
TI  - The behavior of communicating: an ethological approach 
AV  - QL776.S663.B443 1977 
PY  - 1977///
CY  - Cambridge, Massachusetts
PB  - Harvard University Press
KW  - Animal communication
N1  - 4; Bibliography: pages 469.-513; 2
ER  -