@inproceedings{sgem2015s17013, title = {COMBINATION OF GAS ENGINE HEAT PUMP WITH A GEOTHERMAL CLOSED-LOOP SYSTEM IN SLOVAKIA.}, author = {Martina Janovcova}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, ENERGY AND CLEAN TECHNOLOGIES}, year = {2015}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2015/b41/s17.013} }