@misc{186646,
  author = {William Rippey and John Michaloski and Martin Herman and Sandor Szabo and W Dewys and N Frampton},
  title = {NGIS SIM Specification},
  year = {1998},
  month = {1998-01-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.6116},
  language = {en},
}