TY  - BOOK
AU  - Bullough,William Sydney
TI  - Vertebrate reproductive cycles
U1  - 596 23
PY  - 1961/// [reprinted 1963]
CY  - London, New York
PB  - Methuen, Wiley
KW  - Vertebrate
KW  -  Reproduction.
N1  - Includes bibliographical reference and index
ER  -