@article{139644,
      recid = {139644},
      author = {MacKenzie, James J. and Walsh, Michael P.},
      title = {Driving forces : motor vehicle trends and their  implications for global warming, energy strategies, and  transportation planning /},
      publisher = {World Resources Institute,},
      address = {Washington, D.C. :},
      pages = {x, 49 p. :},
      year = {1990},
      note = {"December 1990."},
      url = {http://library.usi.edu/record/139644},
}