@misc{1191411,
  author = {Howard E Swanson},
  title = {Circular of the Bureau of Standards no. 539 volume 1::standard x-ray diffraction powder patterns},
  year = {1953},
  month = {1953-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.CIRC.539v1},
  language = {en},
}