DR HAB. JAN WESZKA 2011-03-28 0 seminar group II en “Excitons in optical spectra of thin films of polyazomethines” The seminar will be held on Monday, March 28, 2011 at 10:00 in the seminar room of the Center building in Zabrze at ul. M. Curie-Skłodowskiej 34.