@article{Birch:201325,
      recid = {201325},
      author = {Birch, Alfred and Sandretto, Carmen and Libby, Lawrence  W.},
      title = {Toward Measurement of the Off-Site Benefits of Soil  Conservation},
      address = {1983-05},
      number = {1091-2016-87415},
      series = {431},
      pages = {76},
      year = {1983},
      url = {http://ageconsearch.umn.edu/record/201325},
      doi = {https://doi.org/10.22004/ag.econ.201325},
}