@article{94677,
      note = {"As adopted by the Programme Task Force of the  International Co-operative Programme on Assessment and  Monitoring of Air Pollution Effects on Forests, at its 6th  meeting in Interlaken, Switzerland, from 15 to 17 May  1990".},
      url = {http://digitallibrary.un.org/record/94677},
      title = {The 1989 forest damage survey in Europe : executive  summary.},
      publisher = {UN,},
      recid = {94677},
      pages = {21 p. :},
      address = {Geneva :. 1990-07-30},
      year = {1990},
      month = {Jul},
}