Grinn-Gofroń , A., A. Lipiec, P. Rapiejko, K. Chłopek, Dorota, I. Winnicka, Małgorzata, E. Kalinowska, Beata, and T. Wolski. “Alternaria Spores in the Air of Selected Polish Cities in 2008”. Alergoprofil, Vol. 4, no. 4, Dec. 2008, pp. 25-29, https://www.journalsmededu.pl/index.php/alergoprofil/article/view/105.