Zaleckas, Ernestas, Valdas Paulauskas, and Eglė Sendžikienė. “Fractionation of Heavy Metals in Sewage Sludge and Their Removal Using Low-Molecular-Weight Organic Acids”. Journal of Environmental Engineering and Landscape Management 21, no. 3 (October 14, 2013): 189-198. Accessed December 21, 2024. https://transport.vilniustech.lt/index.php/JEELM/article/view/1931.