@misc{indiciae4b223452dbd6,
  title = {Experimental strapdown redundant sensor inertial navigation system},
  author = {Evans, F. A. and Wilcox, J. C.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700065742},
  note = {Source identifier: 19700065742}
}