@article{Norton:13520,
      recid = {13520},
      author = {Norton, George W. and Davis, Jeffrey S.},
      title = {REVIEW OF METHODS USED TO EVALUATE RETURNS TO AGRICULTURAL  RESEARCH},
      address = {1979},
      number = {1701-2016-139385},
      series = {Staff Paper P79-16},
      pages = {48},
      year = {1979},
      url = {http://ageconsearch.umn.edu/record/13520},
      doi = {https://doi.org/10.22004/ag.econ.13520},
}