@article{602337,
      note = {Includes bibliographical references (p. 10).},
      url = {http://digitallibrary.un.org/record/602337},
      title = {Ellenberg modelling approach to identify (semi-)natural  vegetation at risk from ozone :  report /},
      publisher = {UN,},
      recid = {602337},
      pages = {10 p. :},
      address = {Geneva :. 2007-05-31},
      year = {2007},
      month = {May},
}