@misc{indiciaec2e7647995a2,
  title = {High Precision Attitude Reference System /HPARS/ Final report},
  author = {Fouts, W. B. and Hummel, S. G. and Lee, J. and Matchett, G. and Vilemsons, A.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690022787},
  note = {Source identifier: 19690022787}
}