TY  - BOOK
AU  - Baker,R.Robin
AU  - Bellis,Mark A.
TI  - Human sperm competition: copulation, masturbation and infidelity 
SN  - 0412454300
PY  - 1995///
CY  - London
PB  - Chapman & Hall
KW  - Sex
KW  - Spermatozoa
KW  - Sexual behaviour, Animals
N1  - Includes index
ER  -