@article{Bottomley:232794,
      recid = {232794},
      author = {Bottomley, Paul and Thirtle, Colin},
      title = {The Rate of Return to Public Sector R & D A Critical  Assessment},
      address = {1987},
      number = {1657-2016-136108},
      series = {WP},
      pages = {36},
      year = {1987},
      url = {http://ageconsearch.umn.edu/record/232794},
      doi = {https://doi.org/10.22004/ag.econ.232794},
}