@misc{1155266,
  author = {David H Freeman},
  title = {Separation and Purification Section ::summary of activities July 1967 to June 1968},
  year = {1968},
  month = {1968-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.459},
  language = {en},
}