@misc{indiciae97c994066dc1,
  title = {Digital image-rectification system},
  author = {Van Wie, P. H. and Stein, M. and Puccinelli, E. and Fields, B.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19760000513},
  note = {Source identifier: 19760000513}
}