@misc{indiciae7ea154c47a9f,
  title = {IBIS - A geographic information system based on digital image processing and image raster datatype},
  author = {Bryant, N. A. and Zobrist, A. L.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19770032202},
  note = {Source identifier: 19770032202}
}