TY  - CPAPER
AU  - Gheorghe Lasc
TI  - COMPARATIVE CLOSURE METHODS OF THE UNDERGROUND EXPLOITATION OF LIGNITE IN ROMANIA
T2  - 14th International Multidisciplinary Scientific GeoConference SGEM 2014, Science and Technologies in Geology, Exploration and Mining, Vol. 14, Book 1, Volume 3
PY  - 2014
DO  - 10.5593/sgem2014/b13/s3.016
PB  - Stef92 Technology
ER  -