1. V. V. Men'shikov, Lab. Delo, No. 4, 13 (1961).
2. V. V. Mikhailov and D. A. Denisova, Byull. Éksp. Biol. Med., No. 11, 44 (1966).
3. V. V. Mikhailov and V. V. Morrison, Byull. Éksp. Biol. Med., No. 1, 25 (1973).
4. V. V. Mikhailov and V. V. Mikhailov, Byull. Éksp. Biol. Med., No. 11, 21 (1975).
5. A. G. E. Pearse, Histochemistry, Theoretical and Applied [Russian translation], Moscow (1962).