@misc{1172136,
  author = {A S McAllister and Ann E Rapuzzi},
  title = {Directory of commercial testing and college research laboratories/:},
  year = {1942},
  month = {1942-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.MP.171},
  language = {en},
}