1. V.V. Mel'nikov, V.V. Stolpakova, M.S. Pevzner, and B.V. Gidaspov, Khim. Geterosikl. Soed. 1973, 707.
2. V.V. Mel'nikov, V.V. Stolpakova, S.A. Zacheslavskii, M.S. Pevzner, and B.V. Gidaspov Khim. Geterosikl. Soed. 1973, 1423.
3. Pyrazolato and related anions. Part I. Bidentate coordination of the pyrazolato ion
4. Pyrazolato and related anions. Part IV. Salts of 4-nitropyrazole
5. L.I. Bagal, M.S. Pevzner, A.N. Fralov, and N.I. Sheludyakova, Khim. Geterosikl. Soed. 1970, 259.