1. a Institute of Chemistry, Agricultural and Pedagogical University , 3-go Maja 54, 08-110, Siedlice, Poland
2. b Martin-Luther Uniaversität , Sektion, Chemie, Múhlpforte 1, DDR-402, Halle
3. c Institute of Chemistry, Jagiellonian University , ul. M. Karasia 3, 30-060, Kraków, Poland