@misc{indiciae622d581ce798,
  title = {Simple computer method provides contours for radiological images},
  author = {Newell, J. D. and Keller, R. A. and Baily, N. A.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750000146},
  note = {Source identifier: 19750000146}
}