Usevičiūtė, Luiza, et al. “Acetone, Xylene and Ammonia Removal Enhancement in the Biofilter Packed With Steam Modified Biochar”. Journal of Environmental Engineering and Landscape Management, vol. 30, no. 3, Oct. 2022, pp. 412–423, https://doi.org/10.3846/jeelm.2022.17412.