@article{Benjamin:137196,
      recid = {137196},
      author = {Benjamin, Gary L.},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {1991-01-25},
      number = {820-2016-53344},
      series = {1804},
      pages = {2},
      month = {Jan},
      year = {1991},
      url = {http://ageconsearch.umn.edu/record/137196},
      doi = {https://doi.org/10.22004/ag.econ.137196},
}