[1] Polish Acad Sci, Ctr Badan Mol & Makromol, Lodz, Poland
[2] Univ Duisburg Essen, Duisburg, Germany
[3] Univ Kent, Canterbury, Kent, England
[4] Akad Ceske Republ, Ustav Makromol Chem, Prague, Czech Republic
[5] Osaka Univ, Osaka, Japan
[6] Univ Siegen, Siegen, Germany
[7] Univ Manchester, Manchester M13 9PL, Lancs, England
[8] UMIST, Manchester M60 1QD, Lancs, England
[9] Praca Pio X, Rio De Janeiro, Brazil
[10] Charles Univ, Prague, Czech Republic