@misc{indiciae63495307d29d,
  title = {Ignition system for space shuttle auxiliary propulsion system Quarterly technical progress narrative, 29 Jun. - 27 Sep. 1970},
  author = {Rosenberg, S. D.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710003351},
  note = {Source identifier: 19710003351}
}