Results of microbiological and cytological investigations on vostok type spacecraft (itogi mikrobiologicheskikh i tsitolo- gicheskikh issledovaniy na kosmicheskikh korablyakh tipa ''vostok'')
Results of microbiological and cytological investigations on vostok type spacecraft (itogi mikrobiologicheskikh i tsitolo- gicheskikh issledovaniy na kosmicheskikh korablyakh tipa ''vostok'')