Biological clocks in seasonal reproductive cycles :  proceedings of the thirty-second sympoisum of the Colston Research Society held in the University of Bristol, March-April, 1980 / 
editors, B.K. Follett and D.E. Follett 
 - Bristol :  Scientechnica,  1981 
 - xii, 292 p. :  ill. ;  24 cm. 
 - Colston papers  32 .
<br/><br/><label>ISBN: </label>0856080322 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological rhythms--Congresses<br/>Estrus--Congresses