@article{Hayami:260195,
      recid = {260195},
      author = {Hayami, Yujiro  and Ruttan, V.W. },
      title = {AGRICULTURAL PRODUCTIVITY DIFFERENCES AMONG COUNTRIES},
      address = {1971-10-25},
      number = {1920-2017-2324},
      pages = {26},
      year = {1971},
      url = {http://ageconsearch.umn.edu/record/260195},
      doi = {https://doi.org/10.22004/ag.econ.260195},
}