B. M. Mednikvo, V. A. Yashnov, E. A.- Zelikman, M.M. Kamshilov; Nauchnye Doklady Vysshei Shkoly, Biologicheskie Nauki, No. 1, pp. 11-12 Inglês
Available from the office of Technical Services U.S. Department of Commerce, Washington 25, D.C.
Russia : The Department of the Interior, U.S.A. and The National Science Foundation, Washington D.C. by the Israel Program for Scientific Translations Jerusalem 1964, 1961
57 p. : il; 25 cm