in 12th International Multidisciplinary Scientific GeoConference and EXPO - Modern Management of Mine Producing, Geology and Environmental Protection, SGEM 2012
Volume: 5, Pages: 1023-1028
Conference
12Th International Multidisciplinary Scientific Geoconference and Expo, Sgem 2012, Date: 17 June 2012 through 23 June 2012, Location: Varna