@misc{1155431,
  author = {David H Freeman},
  title = {Separation and purification section::summary of initial activities, February 1966 through June 1967.},
  year = {1967},
  month = {1967-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.429},
  language = {en},
}