@article{Singer:136516,
      recid = {136516},
      author = {Singer, Mike A.},
      title = {Ag Letter},
      journal = {AgLetter},
      address = {1995-09},
      number = {819-2016-52692},
      series = {No. 1868},
      year = {1995},
      url = {http://ageconsearch.umn.edu/record/136516},
      doi = {https://doi.org/10.22004/ag.econ.136516},
}