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 - Symposium of the Colston Research Society 1980 : University of Bristol); Follett, B. K.; Follett, D. E. (Bristol : Scientechnica, 1981)
Keywords: Biological rhythms -- Congresses; Estrus -- Congresses