Dołęga, Marta, and Krzysztof Biernat. “Ecological Risk Management Procedures”.
Studia Ecologiae et Bioethicae
7, no. 1 (June 30, 2009): 157–164. Accessed April 5, 2025. https://czasopisma.uksw.edu.pl/index.php/seb/article/view/7332.