Yuan, Chengye; Feng, Hanzhen
Synthesis, 1990 , # 2 p. 140 - 141

Nikitin, E. V.; Romakhin, A. S.; Parakin, O. V.; Romanov, G. V.; Kargin, Yu. M.; Pudovik, A. N.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1983 , vol. 32, # 3 p. 566 - 569
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1983 , # 3 p. 626 - 629

Yuan, Chengye; Feng, Hanzhen
Synthesis, 1990 , # 2 p. 140 - 141