@misc{indiciae878a5965b794,
  title = {Guidance, Flight Mechanics and Trajectory Optimization. Volume 5 - State Determination And/or Estimation},
  author = {Abbott, A. S. and Grier, D. R. and Palmer, R. R. and Ruggiero, R. J. and Townsend, G. E.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680012216},
  note = {Source identifier: 19680012216}
}