@article{Benjamin:137536,
      recid = {137536},
      author = {Benjamin, Gary L.},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {1987-11-06},
      number = {820-2016-52926},
      series = {1720},
      pages = {4},
      month = {Nov},
      year = {1987},
      url = {http://ageconsearch.umn.edu/record/137536},
      doi = {https://doi.org/10.22004/ag.econ.137536},
}