1. Institute of Advanced Materials (INAM)
2. Universitat Jaume I
3. 12071-Castellón
4. Spain
5. Dpt. De Química Inorgánica
6. Instituto de Química
7. Mexico, D. F.
8. Mexico
9. Dept. of Chemistry and Biochemistry
10. Wilfrid Laurier University
11. Waterloo
12. Canada