TY - CPAPER AU - Ainur Yerzhankyzy TI - COMPARISON OF DIGITAL ELEVATION MODELS GENERATED WITH OPEN SOURCE SOFTWARE FROM VARIOUS SATELLITE IMAGERY T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Informatics, Geoinformatics and Remote Sensing PY - 2018 SP - 73 EP - 80 DO - 10.5593/sgem2018/2.3/s10.010 PB - STEF92 Technology ER -