@misc{indiciae5f4625881215,
  title = {The Pathfinder Chemical Transfer Propulsion program},
  author = {Hannum, Ned P. and Berkopec, Frank D. and Zurawski, Robert L.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890015038},
  note = {Source identifier: 19890015038}
}