@misc{1149536,
  author = {Samuel Silberstein},
  title = {Proposed standard practice for assessing the performance of gas-phase air cleaning equipment:},
  year = {1991},
  month = {1991-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.4523},
  language = {en},
}