1. Postflight Microbiological Results from 25 Space Shuttle Crews;Pierson,1993
2. Microbiological Aspects of Operation of Life Support Systems Aboard Long-Operating Spaceships Results from 25 Space Shuttle Crews;Nedfedov;Kosmicheskaya Biologiya i Aviakosmicheskaya Meditsina,1975
3. Human Hability Conditions on the Space Station: Sanitary/Microbiological Description of the Environment;Zaloguyev,1986
4. Microflora of Cabins of Manned Space Objects and the Problem of Biological Damage to the Structural Materials Used in Them;Viktorov,1992