Khan, Muhammad S.; Al-Suti, Mohammed K.; Al-Mandhary, Muna R.A.; Ahrens, Birte; Bjernemose, Jens K.; Mahon, Mary F.; Male, Louise; Raithby, Paul R.; Friend, Richard H.; Koehler, Anna; Wilson, Joanne S.
Dalton Transactions, 2003 , # 1 p. 65 - 73