Gavlik, Martin, Boszormenyi, Ladislav. VARIOUS ALTERNATIVES FOR STRUCTURES PERTAINING TO THE COGENERATION OF SOURCES FOR ECONOMIC EFFICIENCY.. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference, 2012, pp. 639 - 646 pp. https://doi.org/10.5593/sgem2012/s18.v4024