G Tarlea. "ECO- EFFICIENT AND NATURAL REFRIGERANTS -THEORETICAL STUDY CASE." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies, 2018, pp. 279-284. https://doi.org/10.5593/sgem2018/4.1/s17.037