@article{194483,
      note = {At head of title: United Nations Earthwatch.},
      url = {http://digitallibrary.un.org/record/194483},
      title = {Register of environment activities of the United Nations  System, 1991.},
      publisher = {UN,},
      recid = {194483},
      pages = {xxv, 160 p. :},
      address = {New York :. 1993},
      year = {1993},
}