@article{Benjamin:138909,
      recid = {138909},
      author = {Benjamin, Gary L.},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {1976-04},
      number = {820-2016-53080},
      series = {1375},
      pages = {2},
      year = {1976},
      url = {http://ageconsearch.umn.edu/record/138909},
      doi = {https://doi.org/10.22004/ag.econ.138909},
}