@misc{indiciaedbe2484a9ac6,
  title = {Galileo quartz clock},
  author = {Block, M. and Meirs, M. and Rosenfeld, M. and Garriga, P. C.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800020617},
  note = {Source identifier: 19800020617}
}