@article{102352,
      url = {http://digitallibrary.un.org/record/102352},
      title = {Consideration of factors influencing labour productivity  by taking high-productivity mines and faces as examples /},
      publisher = {UN,},
      recid = {102352},
      pages = {8 p. :},
      address = {Geneva :. 1983-01-11},
      year = {1983},
      month = {Jan},
}