Wilbrandt, Dagmar; Jurkschat, Klaus; Meunier-Piret, Jacqueline, Phosphorus, Sulfur and Silicon and the Related Elements, 1991, vol. 61, # 3.4, p. 261 - 267
Wilbrandt, Dagmar; Jurkschat, Klaus; Meunier-Piret, Jacqueline, Phosphorus, Sulfur and Silicon and the Related Elements, 1991, vol. 61, # 3.4, p. 261 - 267