TY - CPAPER AU - Darja AU - Marcel AU - Ortelecan AU - Mircea TI - ORTOFOTOMAPS USE AND SYSTEM GNSS POSITION DETERMINATION ROMPOS PROJECT MANAGEMENT MINE CLOSURE IN MARAMURES COUNTY T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 SP - 879 EP - 886 pp DO - 10.5593/sgem2012/s08.v2005 PB - Stef92 Technology ER -