1. Effects of flight in the Second Soviet Satellite on the hemopoietic organs of animals, N.A.S.A. TT F-174;Arsen'Yeva;Problems of Space Biology,1963
2. Effect of colchicine pretreatment on the frequency of chromosomal aberrations induced by X-radiation;Brumfield,1943
3. Immediate effect on division, morphology and viability of the cell;Carlson,1954
4. Effect of space flight factors on Tradescantia paludosa microspores on board the satellite spaceship Vostok 3 and Vostok 4;Delone;Cosmic Res.,1963
5. Effect of space flight factors on the microspores of Tradescantia paludosa in the Vostok 5 and Vostok 6 spacecraft;Delone;N.A.S.A. TT-F8897,1964