1. State of some kind of natural immunity and autoflora of cosmonauts during preflight preparations and in postflight period of spaceships, Vostok 1–4. Problemi kosmicheskoi biologii;Alekseeva;M. Nauka.,1965
2. Recovery of medical important microorganisms from Apollo astronauts;Taylor;Aerospace Medicine,1974
3. I.N. Kornyushenkova, Human microflora statement in spaceflights, and ecological means of its correction, Proceedings of the 31st Scientific Assembly of COSPAR, Birmingham, UK, 1996, Book of Abstracts, p. 369.