@misc{indiciaef0e877c7c32a,
  title = {Method and apparatus for calibrating a tiled display},
  author = {Johnson, Michael J. and Chen, Chung-Jen and Chandrasekhar, Rajesh},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20080004643},
  note = {Source identifier: 20080004643}
}