@misc{1154981,
  author = {Walter L Zielinski and David H Freeman},
  title = {Separation and Purification Section ::summary of activities July 1968 to June 1969},
  year = {1970},
  month = {1970-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.509},
  language = {en},
}