1. A. N. Zaidel', N. I. Kaliteevskii, L. V. Lipis, and M. P. Chaika, Emission Spectral Analysis of Atomic Materials [in Russian], Fizmatgiz, Leningrad -Moscow (1960).
2. A. N. Shteinberg, Zh. Prikl. Spektrosk., 2, No. 5 (1965).
3. G. A. Pevtsov, V. Z. Krasil'shchik, and A. F. Yakovleva, Zh. Anal. Khim.,34, No. 3, 236 (1969).
4. G. A. Pevtsov, V. Z. Krasil'shchik, A. F. Yakovleva, and Yu. I. Miller, ?Chemical reagents and preparations,? Vses. Nauchno-Issled. Inst. Khim. Reakt. Osobo.Chist. Khim. Veshch., No. 31, 98 (1969).
5. G. A. Pevtsov, L. K. Raginskaya, T. G. Manova, and V. Z. Krasil'shchik, ?Chemical reagents and preparations,? Tr. Vses. Nauchno-Issled. Khim. Reakt. Osobo.Chist.Khim. Veshch., No. 32, 150 (1970).