参考文献

Molins-Pujol, Antoni M.; Moranta, Concepcio; Arroyo, Carmina; Rodriguez, M. Teresa; Meca, M. Carmen; Pujol, M. Dolors; Bonal, Joaquim Journal of the Chemical Society - Perkin Transactions 1, 1996 , # 18 p. 2277 - 2289