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Hassan, Alaa A. Mourad, Aboul-Fetouh E. El-Shaieb, Kamal M. Abou-Zied, Ashraf H. Doepp, Dietrich Heteroatom Chemistry, 2003 , vol. 14, # 6 p. 535 - 541
參考文獻:
Kepe, Vladimir Pozgan, Franc Golobic, Amalija Polanc, Slovenko Kocevar, Marijan Journal of the Chemical Society - Perkin Transactions 1, 1998 , # 17 p. 2813 - 2816