@article{Sloan:286718,
      recid = {286718},
      author = {Sloan, Roby},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {1965-08-27},
      series = {819},
      month = {Aug},
      year = {1965},
      url = {http://ageconsearch.umn.edu/record/286718},
      doi = {https://doi.org/10.22004/ag.econ.286718},
}