1. Institute
of Physics, University of Silesia, ul. Uniwersytecka 4, 40-007 Katowice, Poland
2. SMCEBI, ul. 75 Pułku Piechoty 1a, 41-500 Chorzów, Poland
3. Department
of Pharmaceutical Chemistry, Faculty of Pharmacy, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland
4. Dipartimento
di Fisica, CNR-IPCF, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy