Подобни библ. документи

• Modern management of mine producing, geology and environmental protection [Papers of the] 7-th International sientific conference SGEM 2007, 11-15 June, 2007, Bulgaria
  Публикувано: (2007)
• Modern management of mine producing, geology and environmental protection [Papers of the] 5-th International sientific conference SGEM 2004, 13-17 June 2005, Bulgaria. Anniversary issue
  Публикувано: (2005)
• Modern management of mine producing, geology and environmental protection [Papers of the] 4-th International sientific conference SGEM 2004, Albena resort, Bulgaria, 14-18 June 2004. Geology surveying and Geology environmental, Environment protection, Management
  Публикувано: (2004)
• Modern management of mine producing, geology and environment protection [Papers of the] International conference SGEM 2001, 03-09 June, 2001, Varna Bulgaria
  Публикувано: (2001)
• Modern management of mine producing, geology and environmental protection Conference proceedings [of the] 8-th International scientific conference SGEM 2008, 16-20 June 2008, Bulgaria Vol. 1-2
  Публикувано: (2008)