1. Trofimenko S (1986) Prog Inorg Chem 34:115
2. Pearson RG (1963) J Am Chem Soc 85:3533
3. Matković-Čalogović D, Pavlović G, Popović Z, Soldin Ž (2001) 20th European Crystallographic Meeting, Kraków, Poland, Book of Abstracts, 116
4. Matković-Čalogović D, Popović J, Popović Z, Picek I, Soldin Ž (2002) Acta Crystallogr C 58:1
5. Grandberg II, Kost AN, Zheltikova NN (1960) Zh Obsch Khim 30:2931