Kostka, Krzysztof; Modranka, Roman; Grabowski, Mieczyslaw J., Phosphorus, Sulfur and Silicon and the Related Elements, 1993, vol. 83, # 1-4, p. 209 - 214
Kostka, Krzysztof; Modranka, Roman; Grabowski, Mieczyslaw J., Phosphorus, Sulfur and Silicon and the Related Elements, 1993, vol. 83, # 1-4, p. 209 - 214