TY  - BOOK
AU  - Barrington,Ernest James William
TI  - Cyclical activity in endocrine systems : : proceedings of a Symposium held at The Zoological Society of London, Regent's Park, London, N. W. 1 on 8th december, 1959 / 
PY  - 1960///
CY  - London : 
PB  - published by the Society, 
ER  -