Banert, Klaus; Hueckstaedt, Holger; Vrobel, Kai Angewandte Chemie, 1992 , vol. 104, # 1 p. 72 - 74 Title/Abstract Full Text Show Details Banert, Klaus; Groth, Stefan; Hueckstaedt, Holger; Vrobel, Kai Phosphorus, Sulfur and Silicon and the Related Elements, 1994 , vol. 96, # 1-4 p. 323 - 324