@misc{indiciae44ae81ea1f9b,
  title = {Electronically Variable Pressure Regulator (EVPR)},
  author = {Reinicke, R. H. and Nelson, R. O. and Hurlbert, E.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900009168},
  note = {Source identifier: 19900009168}
}