Lipiec , Agnieszka, and Piotr Rapiejko. “Grass Pollen in the Air of Bydgoszcz in 2010”. Alergoprofil 6, no. 3 (September 30, 2010): 39-40. Accessed May 30, 2026. https://www.journalsmededu.pl/index.php/alergoprofil/article/view/206.