TY  - BOOK
AU  - Frazer,John Francis Deryk
TI  - The sexual cycles of vertebrates
U1  - 596 
PY  - 1959///
CY  - London
PB  - Hutchinson University Library
KW  - Reproduction
KW  - Vertebrates
KW  - Sex (Biology)
N1  - Bibliography: p. 155-156
ER  -