TY  - CPAPER
AU  - Elena Peneva
TI  - ON THE IMPLEMENTATION OF THE EUROPEAN VERTICAL REFERENCE SYSTEM IN BULGARIA
T2  - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Informatics, Geoinformatics and Remote Sensing
PY  - 2021
SP  - 167
EP  - 174
DO  - 10.5593/sgem2021/2.1/s09.48
PB  - STEF92 Technology
ER  -