in SGEM 2009: 9TH INTERNATIONAL MULTIDISCIPLINARY SCIENTIFIC GEOCONFERENCE, VOL I, CONFERENCE PROCEEDING: MODERN MANAGEMENT OF MINE PRODUCING, GEOLOGY AND ENVIRONMENTAL PROTECTION
Volume: 1, Páginas: 693-699 (7)
Conference
9Th International Multidisciplinary Scientific Geo-Conference and Expo, Date: JUN 14-19, 2009, Location: Albena, BULGARIA, Patrocinadores: Minist Environm & Water, Bulgaria, Bulgarian Acad Sci, Acad Sci Czech Republic, Acad Sci IR Iran, Latvian Acad Sci, Polish Acad Sci, Russian Acad Sci, Serbian Acad Sci & Arts, Slovak Acad Sci, Natl Acad Sci Ukraine, Bulgarian Ind Assoc
