1. Department of Chemistry
2. Ankara University
3. 06100 Ankara
4. Turkey
5. Kocaeli University
6. 41380 Kocaeli
7. Kumamoto University
8. Kurokami
9. Kumamoto 860-8555
10. Japan
11. Gazi University
12. 06500 Ankara
13. Anadolu University
14. Eskişehir
15. Department of Physics
16. Hacettepe University
17. Ankara