@article{Singer:136514,
      recid = {136514},
      author = {Singer, Mike A. and Benjamin, Gary L.},
      title = {Ag Letter},
      journal = {AgLetter},
      address = {1995-08},
      number = {819-2016-52689},
      series = {No. 1867},
      year = {1995},
      url = {http://ageconsearch.umn.edu/record/136514},
      doi = {https://doi.org/10.22004/ag.econ.136514},
}