@article{102753,
      url = {http://digitallibrary.un.org/record/102753},
      title = {Report of the Group of Experts on Opencast Mines, 4th  session, 9-13 May 1983.},
      publisher = {UN,},
      recid = {102753},
      pages = {7, [1], 2 p.},
      address = {Geneva :. 1983-05-30},
      year = {1983},
      month = {May},
}