1. Department of Polymer Science
2. The University of Akron, Akron
3. Ohio 44325
4. USA
5. Henan Key Laboratory of Polyoxometalate Chemistry
6. College of Chemistry and Chemical Engineering
7. Henan University
8. Kaifeng 475004
9. P. R. China
10. Department of Chemistry and Biochemistry
11. Northern Illinois University
12. Dekalb
13. X-Ray Science Division