Szukana fraza: [Abstract = "In the Institute of Environmental Engineering University of Zielona Góra, 5 samples of glass with visible bio\-rays were analyzed. Microscopic examination of the glass fragments showed the presence of mould spores of the genus\: Aspergillus, Cladosporium, Chaetomium, Fusarium, Monocillium, Mucor, Penicillium, Trichoderma and Ulocladium."]