TY  - CPAPER
AU  - International authors
TI  - 21st International Multidisciplinary Scientific GeoConference SGEM 2021, Energy and Clean Technologies, Vol. 21, Issue 4.2
T2  - International Multidisciplinary Scientific GeoConference SGEM 2021
PY  - 2021
DO  - 10.5593/sgem2021v/4.2
PB  - STEF92 Technology
ER  -