Chloupek , A., Rapiejko , P., Puc , M., Stacewicz , A., Lipiec , A., Siergiejko , G., Świebocka , E. and Jurkiewicz , D. 2017. Alternaria spores in the air of northern Poland cities in 2016. Alergoprofil. 13, 1 (Mar. 2017), 40-43.