@misc{1151421,
  author = {Edwin Mansfield},
  title = {Estimating social and private returns from innovations based on the advanced technology program::problems and opportunities},
  year = {1996},
  month = {1996-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.GCR.99-780},
  language = {en},
}