Baltrėnas, Pranas, and Alvydas Zagorskis. “Investigation into Determining the Humidity of Charge Used for Biological Air Treatment”. Journal of Environmental Engineering and Landscape Management 15, no. 4 (December 31, 2007): 193-199. Accessed December 23, 2024. https://jau.vgtu.lt/index.php/JEELM/article/view/7639.