1. Institute of Macromolecular Chemistry and Polymeric Materials; Iv. Javakhishvili Tbilisi State University; Georgia
2. Max-Planck -Institute for Polymer Research; Ackermannweg 10 POBox 3148, D 55128 Mainz Germany
3. Iv. Javakhishvili Tbilisi State University; I. Chavchavadze Ave. 1 0179 Tbilisi Georgia