@article{Erlandson:120823,
      recid = {120823},
      author = {Erlandson, Gordon W. and Crawford, Keith A.},
      title = {Trends in Farm Machinery Purchases in North Dakota},
      address = {1979-01},
      number = {1188-2016-93894},
      series = {Agricultural Economics Miscellaneous Report},
      pages = {49},
      year = {1979},
      url = {http://ageconsearch.umn.edu/record/120823},
      doi = {https://doi.org/10.22004/ag.econ.120823},
}