304,539 PROCEEDINGS Proceedings of the 13th Annual Meeting of the IUPS (International Union of Physiological Sciences) Commission on Gravitational Physiology September 29-October 3, 1991 San Antonio, Texas, USA / Hilding Bjurstifedt, guest ed. - [Bethesda : American Physilogical Society], 1992. - VIII, 257 s. . il., wykr. , 28 cm (The Physiologist, ISSN 0031-9376 , vol. 35, nr 1, suppl.)