1. B. S. Kasavina and Yu. A. Romanov, Usp. Sovr. Biol.,62, No. 2, 248 (1966).
2. Ya. D. Kirshenblat, General Endocrinology [in Russian], Moscow (1971).
3. A. L. Polenov, Hypothalamic Neurosecretion [in Russian], Leningrad (1971).
4. N. Miyake, M. Fukase, E. Nisimira, et al., in: Central Regulation of the Functions of the Endocrine Glands [Russian translation], Moscow (1971), pp. 125?179.
5. T. Niebroj, Naturwissenschaften,45, 67 (1958).