@article{257256,
      url = {http://digitallibrary.un.org/record/257256},
      title = {Management of earth resources : background paper 3},
      publisher = {UN,},
      recid = {257256},
      pages = {21 p. :},
      address = {Vienna :. 1998-05-26},
      year = {1998},
      month = {May},
}