1. External and internal components of the mechanisms controlling reproductive cycles in drakes;Assenmacher,1974
2. Annual endocrine cycles and environment in birds with special reference to male ducks;Assenmacher,1978
3. Adaptive aspects of endocrine regulations in birds;Assenmacher,1980
4. Thyroidectomy and gonadal sensitivity to gonadotrophins in birds;Bageshwar;Endocrinol. Exp. (Bratisl.),1969