TY  - BOOK
AU  - Maynard Smith, John
AU  - Harper, David
TI  - Animal signals
SN  - 9780198526858
SN  - 200429661
U1  - 591.59 SMI 
PY  - 2003///
CY  - Oxford
PB  - Oxford University Press
KW  - Animal communication
N1  - Includes bibliographical references (p. [141]-159) and index
ER  -