TY - CPAPER AU - Paul Dumitru TI - GEOID MODELLING FOR GIS APPLICATIONS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on INFORMATICS, GEOINFORMATICS AND REMOTE SENSING PY - 2013 DO - 10.5593/sgem2013/bb2.v1/s08.015 PB - Stef92 Technology ER -