1. B. V. Suvorov, Oxidative Ammonolysis of Organic Compounds [in Russian], Alma-Ata (1971), p. 81.
2. E. A. Pavlov and B. V. Suvorov, Tr. Kaz. Skh. Inst. Seriya Agrokhim.,10, 229 (1965).
3. E. A. Pavlov, V. A. Serazetdinova, A. D. Kagarlitskii, et al., Khim. Geterotsikl. Soedin., No. 4, 665–867 (1968).
4. I. I. Kan, D. Kh. Sembaev, and E. V. Suvorov, Zh. Anal. Khim.,25, 374–377 (1970).
5. V. A. Serazetdinova, F. A. Ivanovskii, O. B. Lebedeva, et al., Izv. Akad. Nauk Kazakhsk. SSR, Seriya Khim., No. 2, 80–83 (1969).