@article{169676,
      url = {http://digitallibrary.un.org/record/169676},
      title = {Revision of the draft set of ECE environmental indicators  : note /},
      publisher = {UN,},
      recid = {169676},
      pages = {3 p.},
      address = {Geneva :. 1992-04-27},
      year = {1992},
      month = {Apr},
}