@article{Benjamin:137327,
      recid = {137327},
      author = {Benjamin, Gary L.},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {1989-12-01},
      number = {820-2016-53002},
      series = {1774},
      pages = {4},
      month = {Dec},
      year = {1989},
      url = {http://ageconsearch.umn.edu/record/137327},
      doi = {https://doi.org/10.22004/ag.econ.137327},
}