@article{Benjamin:136568,
      recid = {136568},
      author = {Benjamin, Gary L.},
      title = {Ag Letter},
      journal = {AgLetter},
      address = {1997-10},
      number = {819-2016-52641},
      series = {No. 1893},
      year = {1997},
      url = {http://ageconsearch.umn.edu/record/136568},
      doi = {https://doi.org/10.22004/ag.econ.136568},
}