@article{Singer:136523,
      recid = {136523},
      author = {Singer, Mike A.},
      title = {Ag Letter},
      journal = {AgLetter},
      address = {1996-02},
      number = {819-2016-52717},
      series = {No. 1873},
      year = {1996},
      url = {http://ageconsearch.umn.edu/record/136523},
      doi = {https://doi.org/10.22004/ag.econ.136523},
}