Chłopek , Kazimiera. “Concentration of Airborne Pollen Grains in Sosnowiec in 2012”. Alergoprofil 9, no. 1 (April 2, 2013): 31-35. Accessed May 30, 2026. https://www.journalsmededu.pl/index.php/alergoprofil/article/view/756.