@misc{indiciaee08eb7acb4ae,
  title = {Device for measuring the contour of a surface},
  author = {Burcher, E. E. and Katzberg, S. J. and Kelly, W. L., IV},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780019961},
  note = {Source identifier: 19780019961}
}