Hrobarik, Peter; Sigmundova, Ivica; Zahradnik, Pavol
Synthesis, 2005 , # 4 art. no. P11804SS, p. 600 - 604

Bernthsen
Justus Liebigs Annalen der Chemie, 1889 , vol. 251, p. 89

Kiprianow; Sytsch
Zap. Inst. Chim. Ukr.Chem.Abstr., 1946 , vol. 8, # 2 p. 103,117
Zap. Inst. Chim. Ukr.Chem.Abstr., 1955 , p. 2436
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Lewkoew et al.
Zhurnal Obshchei Khimii, 1954 , vol. 24, p. 280,285;engl.Ausg.S.283,287