TY  - BOOK
AU  - Frazer, John Francis Deryk.
TI  - The sexual cycles of vertebrates
T2  -  Biological sciences
AV  - QP251 .F7
U1  - 596 
PY  - 1959///
CY  - London
PB  - Hutchinson University Library
KW  - Reproduction
KW  - Vertebrates
KW  - Sex (Biology)
N1  - Includes bibliographical references and index
ER  -