参考文献

Nugent, Richard A.; Dunn, Colin J.; Staite, Nigel D.; Murphy, Michael J.; Schlachter, Stephen T.; Aspar, Danielle G.; Shields, Sharon K.; Galinet, Louise A. Phosphorus, Sulfur and Silicon and Related Elements, 1996 , vol. 109, # 1-4 p. 229 - 232