Eötvös, Tekal, and László Makra. “Chemical and Biological Air Pollutants, As Parameters of Complex Air Quality Indices”. Acta Geographica Debrecina Landscape & Environment series 1, no. 1 (December 31, 2007): 16–23. Accessed November 22, 2024. https://ojs.lib.unideb.hu/landsenv/article/view/2204.