@misc{1154576,
  author = {Walter L Zielinski and David H Freeman},
  title = {Separation and purification section ::summary of activities - July 1970 to June 1971},
  year = {1971},
  month = {1971-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.589},
  language = {en},
}