Ziemiński, Krzysztof, and Paweł Boniecki. “Intensification of Sewage Sludge Composting”. Biotechnology and Food Science 75, no. 1 (June 30, 2011): 15-28. Accessed February 4, 2025. https://eczasopisma.p.lodz.pl/BFS/article/view/7.