@article{Sloan:286624,
      recid = {286624},
      author = {Sloan, Roby},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {1963-11-08},
      series = {725},
      month = {Nov},
      year = {1963},
      url = {http://ageconsearch.umn.edu/record/286624},
      doi = {https://doi.org/10.22004/ag.econ.286624},
}