1. R. Adams, Methods of Cell Culture for Biochemists [Russian translation], Moscow (1983).
2. M. Burston, Enzyme Histochemistry, Academic Press (1963).
3. P. F. Rokitskii, Biological Statistics [in Russian], Minsk (1967).
4. S. M. Terekhov, Tsitologiya,23, 717 (1981).
5. F. Baskin, in: Gene Amplification, New York (1982), p. 47.