Published Coke oven wastewater treatment by two activated sludge systems by Papadimitriou C., Dabou X., Samaras P. and Sakellaropoulos G.P. paper_3_Papadimitriou_346.pdf
Published European procedures to river quality assessment by Naddeo V., Zarra T. and Belgiorno V. paper_11_NADDEO_383.pdf