1. Department of Chemistry & Biochemistry
2. University of Minnesota Duluth
3. Duluth
4. USA
5. Department of Chemistry
6. University of North Texas
7. Denton
8. Department of Physical Sciences and Mathematics
9. Wayne State College
10. Wayne
11. Dipartimento di Scienze Chimiche
12. Università degli studi di Padova
13. 35131 Padova
14. Italy
15. Brock University
16. St. Catharines
17. Canada