@article{167606,
      url = {http://digitallibrary.un.org/record/167606},
      title = {International Cooperative Programme on Integrated  Monitoring of Air Pollution Effects on Ecosystems :  progress report /},
      publisher = {UN,},
      recid = {167606},
      pages = {2 p.},
      address = {Geneva :. 1993-04-28},
      year = {1993},
      month = {Apr},
}