1. Studies on monozygos cattle twins. XV. Sexual functions of bulls in relation to heredity, rearing intensity and somatic conditions;Bane;Acta Agric. scand.,1954
2. A gene mutation which changes a behaviour pattern;Bastock;Evolution,1956
3. Expérience de sélection par rapport à une réaction conditionnée d'évitement chez le rat;Bignami;C. R. Acad. Sci. (Paris),1965
4. Mating behavior patterns in two sympatric species of xiphophorine fishes: Their inheritance and significance in sexual isolation;Clark;Bull. Amer. Mus. Nat. Hist.,1954
5. Nest material carrying behavior of F 1 hybrids between Agapornis fischeri and A. roseicolis;Dilger;Anat. Rec.,1959