@misc{indiciae54c5c7dec641,
  title = {Some comments on certain technical aspects on geographic information systems Technical report no. 2},
  author = {Dacey, M. F. and Marble, D. F.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19660018670},
  note = {Source identifier: 19660018670}
}