Mažeikiene, A., Rimeika, M., Valentukevičiene, M., Oškinis, V., Paškauskaite, N., & Brannvall, E. (2005). Removal of petroleum products from water using natural sorbent zeolite. Journal of Environmental Engineering and Landscape Management, 13(4), 187-191. https://doi.org/10.3846/16486897.2005.9636870