INTERNATIONAL Multidisciplinary Scientific Geoconference SGEM ...
STEF92 Technology Ltd
INTERNATIONAL Multidisciplinary Scientific Geoconference SGEM ... : Conference Proceedings / STEF92 Technology Ltd ;. - : STEF92 Technology, 2001 (Балкан пред АД). - 21
забележка:Заб. От 2001 г. - 2008 г. - Modern Management of Mine Producing, Geology and Environmental Protection ..
ISSN 1314-2704
55 +
INTERNATIONAL Multidisciplinary Scientific Geoconference SGEM ... : Conference Proceedings / STEF92 Technology Ltd ;. - : STEF92 Technology, 2001 (Балкан пред АД). - 21
забележка:Заб. От 2001 г. - 2008 г. - Modern Management of Mine Producing, Geology and Environmental Protection ..
ISSN 1314-2704