@misc{indiciae7be1b094f122,
  title = {Optoelectronic System for Measuring Heights Above a Floor},
  author = {Youngquist, Robert C. and Davis, Chris and Polk, Jimmy and Burns, Brad and Haskell, William and Opalka, Tim and McClure, Michael},
  year = {2003},
  url = {https://ntrs.nasa.gov/citations/20110023712},
  note = {Source identifier: 20110023712}
}