@article{Sloan:286976,
      recid = {286976},
      author = {Sloan, Roby},
      title = {Agricultural Letter},
      journal = {Agricultural Letter},
      address = {1970-09-18},
      series = {1083},
      month = {Sep},
      year = {1970},
      url = {http://ageconsearch.umn.edu/record/286976},
      doi = {https://doi.org/10.22004/ag.econ.286976},
}