1. Polish Academy of Sciences Sienkiewicza 112 90-363 Łódź Poland
2. Institute of Physics of the Czech Academy of Sciences Na Slovance 1999/2 182 21 Prague Czech Republic
3. Faculty of Chemistry University of Warsaw Zwirki i Wigury 101 02089 Warsaw Poland
4. Faculty of Chemistry University of Łódź Tamka 12 91-403 Łódź Poland
5. Department of Chemistry Middle Tennessee State University Murfreesboro TN 37132 USA