@misc{indiciae78e282611bdb,
  title = {ASCA observations of Cassiopeia A},
  author = {Holt, Stephen S. and Gotthelf, Eric V. and Tsunemi, Hiroshi and Negoro, Hitoshi},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950036818},
  note = {Source identifier: 19950036818}
}