@article{472683,
      recid = {472683},
      title = {Tracking toxic substances at industrial facilities  engineering mass balance versus materials accounting /  [electronic resource] :},
      publisher = {National Academy Press,},
      address = {Washington, D.C. :},
      pages = {x, 188 p. :},
      year = {1990},
      url = {http://library.usi.edu/record/472683},
}