TY  - BOOK
AU  - Catton,Chris
AU  - Gray,James
TI  - Sex in nature
SN  - 0816012946 :
AV  - QH481 .C37 1985
PY  - 1985///
CY  - New York, N.Y.
PB  - Facts on File Publications
KW  - Sex (Biology)
KW  - Reproduction
N1  - Includes index
ER  -