@misc{11621,
  author = {William MacGregor and Teresa Schwarzhoff and Ketan Mehta},
  title = {A Scheme for PIV Visual Card Topography},
  year = {2007},
  month = {2007-06-29},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/nist.sp.800-104},
  language = {en},
}