@article{Singer:136519,
      recid = {136519},
      author = {Singer, Mike A.},
      title = {Ag Letter},
      journal = {AgLetter},
      address = {1995-11},
      number = {819-2016-52694},
      series = {No. 1870},
      year = {1995},
      url = {http://ageconsearch.umn.edu/record/136519},
      doi = {https://doi.org/10.22004/ag.econ.136519},
}