Effects of external stimuli on reproduction : In honour of Professor B. Zondek / edited by G.E.W. Wolstenholme and Maeve O'Connor. Study Group on the Effects of External Stimuli on Reproduction (1966 : London, England) Zondek, B. (Bernhard), 1891-1966. Wolstenholme, G. E. W. (Gordon Ethelbert Ward), ed. O'Connor, Maeve, ed. Ciba Foundation. Estrus Congresses. Photoperiodism Congresses. QP251 .S88 574.16 CIE At head of title: Ciba Foundation Study Group No. 26. Includes index. Boston : Little, Brown, 1967. 1967. 1967 Text x, 107 p. : eng