Rapiejko , P., A. Lipiec, M. Malkiewicz, K. Chłopek, K. Dąbrowska-Zapart, M. Ziemianin, A. Rapiejko, and D. Jurkiewicz. “Alternaria Spores in the Air of Southern Poland Cities in 2016”. Alergoprofil, Vol. 13, no. 1, Mar. 2017, pp. 36-39, https://www.journalsmededu.pl/index.php/alergoprofil/article/view/175.