@misc{indiciae68c652e0b07f,
  title = {PDS4: Developing the Next Generation Planetary Data System},
  author = {Crichton, D. and Beebe, R. and Hughes, S. and Stein, T. and Grayzeck, E.},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20110023616},
  note = {Source identifier: 20110023616}
}