参考文献

Chaves, Silvia; Gil, Marco; Canario, Sonia; Jelic, Ratomir; Romao, Maria Joao; Trincao, Jose; Herdtweck, Eberhardt; Sousa, Joana; Diniz, Carmen; Fresco, Paula; Santos, M. Amelia Dalton Transactions, 2008 , # 13 p. 1773 - 1782