K. Maduna Valkaj, I. Kaselj, J. Smolkovic, S. Zrncevic, N. Kumar, D. Murzin, Catalytic Wet Peroxide Oxidation of Olive Oil Mill Wastewater over Zeolite Based Catalyst, Chemical Engineering Transactions. 43 (2015) 853-858. doi:10.3303/CET1543143.