@misc{indiciae30c59eb14bcd,
  title = {Research and Project Activities in Astrophysics},
  author = {Harnden, F. Rick, Jr. and Kaluzienski, Louis J.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20020039985},
  note = {Source identifier: 20020039985}
}