@article{Francl:138721,
      recid = {138721},
      author = {Francl, Terry},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {1975-10},
      number = {820-2016-53429},
      series = {1349},
      pages = {2},
      year = {1975},
      url = {http://ageconsearch.umn.edu/record/138721},
      doi = {https://doi.org/10.22004/ag.econ.138721},
}