@misc{indiciae0a615a0a3cd9,
  title = {Pathfinder operations},
  author = {Wilcher, J. and Stelzried, C. and Finley, S.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870005922},
  note = {Source identifier: 19870005922}
}