304,539 PROCEEDINGS Proceedings of the 12th Annual Meeting of the IUPS Commision on Gravitational Physiology October 14-18, 1990 Leningrad, USSR /Orr E. Reynolds, guest ed. : International Union of Physiological Sciences Commision on Gravitational Physiology H. Bjurstedt Chairman [et al]. - [Berthesda, Maryland] j [American Physiological Society], [1991]. - X, 241, [1] s. : il., wykr. ; 30 cm (The Physiologist ; vol. 34, nr. 1)