Baltrėnas, Pranas, and Alvydas Zagorskis. “Investigation of Cleaning Efficiency of Biological air‐treatment Device With Activated Charge of Different Origin”. Journal of Environmental Engineering and Landscape Management 16, no. 3 (September 30, 2008): 113-120. Accessed November 23, 2024. https://jbem.vgtu.lt/index.php/JEELM/article/view/6710.