@article{209700,
      note = {Panel report pursuant to Article 6 of the Montreal  Protocol on Substance that Deplete the Ozone Layer under  the auspices of UNEP.},
      url = {http://digitallibrary.un.org/record/209700},
      title = {Environmental effects of ozone depletion : 1991 update.},
      publisher = {UNEP,},
      recid = {209700},
      pages = {1 v. (various pagings) :},
      address = {Nairobi :. 1991-11},
      year = {1991},
      month = {Nov},
}