Ćwiąkała, Michał, Joanna Korzeniowska, Cezary Kraszewski, and Leszek Rafalski. “Testing the Concentration of Trace Metals in Soils Near Roads With Varied Traffic Intensity”. Roads and Bridges - Drogi i Mosty 18, no. 2 (June 30, 2019): 127–134. Accessed November 21, 2024. https://rabdim.pl/index.php/rb/article/view/v18n2p127.