@article{102884,
      url = {http://digitallibrary.un.org/record/102884},
      title = {Coal exploration and mine design with a view to an  efficient exploitation of coal and other associated raw  materials by the opencast method, particularly in difficult  mining and geological conditions : results of and prospects  for scientific and technological co-operation in the field  of opencast mining within the framework of CMEA /},
      publisher = {UN,},
      recid = {102884},
      pages = {10 p.},
      address = {Geneva :. 1984-09-14},
      year = {1984},
      month = {Sep},
}