@misc{indiciaefca5d4be5f97,
  title = {SERT II 1980 extended flight thruster experiments},
  author = {Kerslake, W. R. and Ignaczak, L. R.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810045124},
  note = {Source identifier: 19810045124}
}