1. Department of Chemistry
2. Periyar University
3. Salem-636 011
4. India
5. Department of Crystallography
6. Silesian University
7. 40-006 Katowice
8. Poland
9. Institute of Applied Synthetic Chemistry
10. Vienna University of Technology
11. Vienna
12. Austria
13. General Chemistry Department
14. V. I.Vernadsky Taurida National University
15. Ukraine