TY  - BOOK
AU  - Bullough, William Sydney,
CN  - QP251
CN  - QP251
CY  - London,
CY  - New York,
DA  - [1961]
ET  - [2d ed.]
ID  - 59247
KW  - Vertebrates.
KW  - Vertebrates
N1  - First published in 1951 under title: Vertebrate sexual cycles.
PB  - Methuen;
PB  - Wiley
PP  - London,
PP  - New York,
PY  - [1961]
T1  - Vertebrate reproductive cycles.
TI  - Vertebrate reproductive cycles.
ER  -