TY - CPAPER AU - Gavlik, Martin AU - Boszormenyi, Ladislav TI - INNOVATION POSSIBILITIES OF SOLAR DISTRICT HEATING SYSTEMS WITH SEASONAL HEAT STORAGE T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 SP - 537 EP - 544 pp DO - 10.5593/sgem2012/s18.v4011 PB - Stef92 Technology ER -