@misc{indiciae8908e995dd78,
  title = {Sequential processing techniques for trajectory estimation},
  author = {Berry, W. H. and Breakwell, J. V. and Mertel, M. H. and Morrison, D. D. and Mortensen, R. E. and Pfeiffer, C. G.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690030940},
  note = {Source identifier: 19690030940}
}