1. A. Wentzel,Theorie zufalliger Prozesse, Birkhauser (1979).
2. I. S. Gushchin and A. I. Zebrev,Immunologiya, N o , 1, 5–9 (1985).
3. L. S. Zhukhorov and S. A. Golovanov,Lab. Delo N o 11, 683–685 (1984).
4. V. D. Kalyaev, in:Aspects of Blood Transfusion and Clinical Medicine [in Russian], Vol. 3 (1965), pp. 194–196.
5. A. V. Kargapolov,Biokhimiya,46, N o 4, 691–697 (1981).