@article{242197,
      url = {http://digitallibrary.un.org/record/242197},
      title = {International Co-operative Programmes on effects of air  pollutants : progress report /},
      publisher = {UN,},
      recid = {242197},
      pages = {4 p.},
      address = {Geneva :. 1987-03-17},
      year = {1987},
      month = {Mar},
}