@article{Benjamin:138164,
      recid = {138164},
      author = {Benjamin, Gary L.},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {4/18/1980},
      number = {820-2016-53323},
      series = {1523},
      pages = {2},
      year = {1980},
      url = {http://ageconsearch.umn.edu/record/138164},
      doi = {https://doi.org/10.22004/ag.econ.138164},
}