1. Facteurs externes at internes de l'activité sexualle. I Stimulation per la luminére de l'activite sexualle chez le canard et la cane domestique;Benoit;Bull. Biol. France Belg.,1936
2. Effects of intermittent or continuous lighting and light intensity on reproductive performance of the turkey and Japanese quail;Brown,1973
3. Circadian rhythms and time measurement in photoperiodism;Bünning,1960
4. The effect of photic and psychic stimuli on the reproductive cycle of the male starling, Sturnus vulgaris;Burger;J. Exp. Zool.,1953
5. Some effects of flashing light on testicular activation in the male starling. (Sturnus vulgaris);Burger;J. Exp. Zool.,1942