TY - CPAPER AU - International authors TI - 21st International Multidisciplinary Scientific GeoConference SGEM 2021, Nano, Bio, Green and Space Technologies for a Sustainable Future, Vol. 21, Issue 6.2 T2 - International Multidisciplinary Scientific GeoConference SGEM 2021 PY - 2021 DO - 10.5593/sgem2021v/6.2 PB - STEF92 Technology ER -