@misc{indiciae714f1f0a7695,
  title = {Electrolysis Propulsion Provides High-Performance, Inexpensive, Clean Spacecraft Propulsion},
  author = {deGroot, Wim A.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20050180621},
  note = {Source identifier: 20050180621}
}