Koniuszy, Adam, Anita Konieczna, and Jarosław Wojciech. “Exhaust Emissions from Agricultural Tractors in West Pomerania, Poland”. Journal of Water and Land Development 67, no. 67 (December 30, 2025): 183–191. Accessed October 19, 2026. https://wydawnictwo.pan.pl/index.php/jwld/article/view/5085.