@misc{indiciae226374e6e944,
  title = {Digital image registration by correlation techniques.},
  author = {Popp, D. J. and Mccormack, D. S. and Lee, G. M.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730030611},
  note = {Source identifier: 19730030611}
}