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Kalenik M, Wichowski P, Chalecki M, Kiczko A. Efficiency of wastewater purification in medium sand with a lightweight expanded clay aggregate assisting layer. jwld [Internet]. 2023 Jun. 30 [cited 2026 Oct. 19];57(57):30-8. Available from: https://wydawnictwo.pan.pl/index.php/jwld/article/view/4809