@misc{indiciae9c3fc58290fc,
  title = {Second generation timing system for ranging experiment Apollo lunar laser},
  author = {Currie, D. G. and Steggerda, C. and Rayner, J. and Buennagel, A.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19750003181},
  note = {Source identifier: 19750003181}
}