Crenshaw, Michael D.; Cummings, David B.
Phosphorus, Sulfur and Silicon and the Related Elements, 2004 , vol. 179, # 6 p. 1009 - 1018

Timperley, Christopher M.; Bird, Michael; Holden, Ian; Black, Robin M.
Journal of the Chemical Society. Perkin Transactions 1, 2001 , # 1 p. 26 - 30

Timperley, Christopher M.; Bird, Michael; Holden, Ian; Black, Robin M.
Journal of the Chemical Society. Perkin Transactions 1, 2001 , # 1 p. 26 - 30