@article{Sloan:286747,
      recid = {286747},
      author = {Sloan, Roby},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {1966-03-18},
      series = {848},
      month = {Mar},
      year = {1966},
      url = {http://ageconsearch.umn.edu/record/286747},
      doi = {https://doi.org/10.22004/ag.econ.286747},
}