@misc{indiciaea0ca63ba4ad3,
  title = {Optical Engine Lockout System Design and Operation},
  author = {Martinet, Vittorio Clyde and Mueller, Charles J. and Biles, Drummond Edward},
  year = {2020},
  doi = {10.2172/1660788},
  url = {https://www.osti.gov/biblio/1660788},
  note = {Source identifier: 1660788}
}