@article{472852,
      url = {http://library.usi.edu/record/472852},
      title = {Biologic markers of air-pollution stress and damage in  forests [electronic resource] /},
      publisher = {National Academy Press,},
      recid = {472852},
      pages = {xiv, 363 p. :},
      address = {Washington, D.C. :},
      year = {1989},
}