@article{102514,
      url = {http://digitallibrary.un.org/record/102514},
      title = {Development of cyclical/line production systems in  opencast coal mining /},
      publisher = {UN,},
      recid = {102514},
      pages = {2 p.},
      address = {Geneva :. 1984-04-16},
      year = {1984},
      month = {Apr},
}