Vostok and Voskhod2018-04-122018-04-121965-06http://hdl.handle.net/2152.3/7935English translation of a document in Russian language: Physiological and Hygenic Evaluation of Life Support Systems.Russian translationPhysiological and Hygenic Evaluation of Life Support SystemsDr. Charles BerryUSSRNASA Director of Life SciencesUSSR Vostok and Voskhod Physiological and Hygenic Evaluation of Life Support Systems