@article{Francl:287108,
      recid = {287108},
      author = {Francl, Terry},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {1973-05-18},
      series = {1222},
      month = {May},
      year = {1973},
      url = {http://ageconsearch.umn.edu/record/287108},
      doi = {https://doi.org/10.22004/ag.econ.287108},
}