Dąbrowska-Zapart , K., and T. Niedźwiedź. “Height and Hourly Variations in the Concentration of Airborne Pollen Grains and Fungal Spores in Sosnowiec (Poland)”. Alergoprofil, Vol. 16, no. 1, Feb. 2020, pp. 21-23, doi:10.24292/01.AP.161120220.