Sarbu, Ioan, Bancea, Olga. "ENVIRONMENT PROTECTION ASSURANCE USING EFFICIENT PLANTS AND PROCEDURES FOR SEWAGE TREATMENT." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION (2013): 377 - 384 pp. https://doi.org/10.5593/sgem2013/be5.v1/s20.050