1. Aschkinasi, M. S., Gerasimova, I. P. and Dain, B. J.: 1955,Dokl. Akad. Nauk S.S.S.R. 102, 767.
2. Dose, K.: 1974,Origins of Life 5, 239.
3. Dose, K. and Zaki, L.: 1971,Z. Naturforsh. 26b, 144.
4. Fox, S. W. and Dose, K.: 1972,Molecular Evolution and the Origins of Life, Freeman, San Francisco.
5. Kolesnikov, P. A.: 1958,Biokhimia (S.S.S.R.) 23, 434.