Grinn-Gofroń , A., A. Lipiec, P. Rapiejko, M. Puc, K. Chłopek, D. Myszkowska, and T. Wolski. “Cladosporium Spores in the Air of Selected Polish Cities in 2007”. Alergoprofil, Vol. 3, no. 4, Jan. 2008, pp. 57-60, https://www.journalsmededu.pl/index.php/alergoprofil/article/view/41.