Krechl, Jiri; Mizaninova, Daniela; Volke, Jiri; Kuthan, Josef
Collection of Czechoslovak Chemical Communications, 1987 , vol. 52, # 6 p. 1550 - 1560

Angelino, S. A. G. F.; Buurman, D. J.; Plas, H. C. van der; Mueller, F.
Recueil: Journal of the Royal Netherlands Chemical Society, 1983 , vol. 102, # 6 p. 331 - 336