@article{719198,
      author = {Harter, Jim.},
      url = {http://library.usi.edu/record/719198},
      title = {Early farm tractors a history in advertising line art /  [electronic resource] :},
      publisher = {Wings Press,},
      recid = {719198},
      pages = {ix, 140 p. :},
      address = {San Antonio, Texas :},
      year = {2012},
}