@misc{indiciae97090d8321e3,
  title = {On-Board Guarded Software Upgrading for Space Missions},
  author = {Tso, K. and Tai, A. and Sanders, W. and Chau, S. and Alkalai, L.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20210003694},
  note = {Source identifier: 20210003694}
}