@article{Francl:138696,
      recid = {138696},
      author = {Francl, Terry},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {1975-07},
      number = {820-2016-53447},
      series = {1335},
      pages = {1},
      year = {1975},
      url = {http://ageconsearch.umn.edu/record/138696},
      doi = {https://doi.org/10.22004/ag.econ.138696},
}