@misc{1132531,
  author = {Karen Chaconas and Laura Kelmar and Marilyn Nashman},
  title = {A NASREM implementation of position determination from motion:},
  year = {1990},
  month = {1990-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.90-4293},
  language = {en},
}