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Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1991 , # 1 p. 200 - 204

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Kamai
Trudy Kazansk.chim.technol.Inst.Chem.Abstr., 1946 , # 10 p. 28
Trudy Kazansk.chim.technol.Inst.Chem.Abstr., 1957 , p. 6503

Kamai
Trudy Kazansk.chim.technol.Inst.Chem.Abstr., 1946 , # 10 p. 28
Trudy Kazansk.chim.technol.Inst.Chem.Abstr., 1957 , p. 6503