TY  - CPAPER
AU  - Andrea Policka
TI  - THE POSSIBILITY TO OPEN A SECURED GRAVEL PIT
T2  - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING
PY  - 2015
DO  - 10.5593/sgem2015/b13/s3.092
PB  - Stef92 Technology
ER  -