@misc{indiciae543759ba34a6,
  title = {Towards operational multisensor registration},
  author = {Rignot, Eric J. M. and Kwok, Ronald and Curlander, John C.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910006306},
  note = {Source identifier: 19910006306}
}