TY  - CPAPER
AU  - Metodi Metodiev
AU  - Petya Trifonova
TI  - GEOMAGNETIC FIELD ELEMENTS OF THE BULGARIAN TERRITORY FOR 2020.0 EPOCH
T2  - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Science and Technologies in Geology, Exploration And Mining
PY  - 2020
SP  - 543
EP  - 550
DO  - 10.5593/sgem2020/1.2/s05.069
PB  - STEF92 Technology
ER  -