@article{102474,
      url = {http://digitallibrary.un.org/record/102474},
      title = {Coal-face operations with mechanized and automated systems  /},
      publisher = {UN,},
      recid = {102474},
      pages = {2 p.},
      address = {Geneva :. 1983-11-23},
      year = {1983},
      month = {Nov},
}