@misc{indiciae0b145a1d58e9,
  title = {Background, current status, and prognosis of the ongoing slush hydrogen technology development program for the NASP},
  author = {Dewitt, R. L. and Hardy, T. L. and Whalen, M. V. and Richter, G. P. and Tomsik, T. M.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900016739},
  note = {Source identifier: 19900016739}
}