@article{Cook:202960,
      recid = {202960},
      author = {Cook, Hugh L. and Hayenga, Marvin L.},
      title = {Environmental and Structural Characteristics of the Dairy  Subsector},
      address = {1981-07},
      number = {1803-2016-142565},
      pages = {33},
      year = {1981},
      url = {http://ageconsearch.umn.edu/record/202960},
      doi = {https://doi.org/10.22004/ag.econ.202960},
}