@misc{1165121,
  author = {Joseph C Davis and Paul R Achenbach},
  title = {Performance characteristics of a "Ulok", model 87 BT, disposable, viscous type, synthetic fiber air filter:},
  year = {1964},
  month = {1964-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.8522},
  language = {en},
}