@misc{indiciaedd489a1fefc0,
  title = {An evaluation technique for strapdown guidance systems on interplanetary missions.},
  author = {Hitt, E. F. and Koenke, E. J.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680056559},
  note = {Source identifier: 19680056559}
}