TY  - BOOK
AU  - Birkhead,T.R.
AU  - Moller,A.P.
TI  - Sperm competition in birds: evolutionary causes and consequences 
SN  - 0121005402
PY  - 1991///
CY  - London
PB  - Academic Press
KW  - Birds
KW  - Physiology
KW  - Behavior
KW  - Evolution
ER  -