@misc{indiciae78b69208dfe3,
  title = {Doppler centroid estimation ambiguity for synthetic aperture radars},
  author = {Chang, C. Y. and Curlander, J. C.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19910031314},
  note = {Source identifier: 19910031314}
}