Manea, Elena, Robescu, Diana, Manea, Doru Lucian, Presura, Aurel, Robescu, Dan. "EVALUATION OF ENERGY CONSUMPTION IN ANAEROBIC DIGESTION OF WASTEWATER TREATMENT SLUDGE." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION, 2015, pp. 221-228. https://doi.org/10.5593/sgem2015/b52/s20.029