TY  - BOOK
AU  - Stacey,Peter B.
AU  - Koenig,Walter D.
TI  - Cooperative breeding in birds: longterm studies of ecology and behavior 
SN  - 0521372984
PY  - 1990///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Birds
KW  - Behavior
KW  - Ecology
KW  - Sexual behavior in animals
N1  - Includes index; Bibliograpy : p. 609-611
ER  -