1. S. B. Serebryanyi, Usp. Khim., 24, 313 (1955).
2. A. I. Kiprianov and M. M. Kroshchenko, Ukr. Khim. Zh., 22, 351 (1956).
3. A. I. Kiprianov, S. B. Serebryanyi, and V. P. Chernetskii, Dokl. Akad. Nauk, 69, 651 (1949).
4. S. B. Serebryanyi, V. P. Chernetskii, and A. I. Kiprianov, Dokl. Akad. Nauk, 70, 645 (1950).
5. A. I. Kiprianov and E. A. Ponomareva, Ukr. Khim. Zh., 26, 78 (1960).