TY  - CPAPER
AU  - Elena Hristova
AU  - Blagorodka Veleva
TI  - ESTIMATION OF BLACK CARBON CONCENTRATION IN FINE PARTICULATE MATER IN URBAN AERA
T2  - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Energy and Clean Technologies
PY  - 2020
SP  - 415
EP  - 422
DO  - 10.5593/sgem2020/4.1/s19.052
PB  - STEF92 Technology
ER  -