TY  - CPAPER
AU  - International authors
TI  - 20th International Multidisciplinary Scientific GeoConference SGEM 2020, Energy and Clean Technologies, Vol. 20, Issue 4.1
T2  - International Multidisciplinary Scientific GeoConference SGEM 2020
PY  - 2020
DO  - 10.5593/sgem2020/4.1
PB  - STEF92 Technology
ER  -