1. A. I. Tolmachev and M. A. Kudinova, Khim. Geterotsikl. Soedin., 924 (1971).
2. B. Caroll and W. West, Photographic Sensitivity, Proc. Symp. Univ. Bristol, London (1950), p. 162.
3. W. West and A. Geddes, J. Phys. Chem., 68, 837 (1964).
4. J. Pouradier, J. Chem. Phys., 61, 1107 (1964).
5. A. I. Kiprianov and G. T. Pilyugin, Uch. Zap. Khar'k. Univ., 10, 91 (1937).