@misc{indiciae48e73ac4d688,
  title = {U.S. liquid propulsion technology stands still},
  author = {Mccarty, John P. and Mcconnaughey, Helen and Murphy, J. M.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900054112},
  note = {Source identifier: 19900054112}
}