Koivusalo, H, Dubovik, M, Wendling, L, Assmuth, E, Sillanpää, N & Kokkonen, T 2023, ' Performance of Sand and Mixed Sand–Biochar Filters for Treatment of Road Runoff Quantity and Quality ', Water, vol. 15, no. 8, 1631 . https://doi.org/10.3390/w15081631