@misc{indiciae330df8f80a52,
  title = {ECHO Responds to NASA's Earth Science User Community},
  author = {Pfister, Robin and Ullman, Richard and Wichmann, Keith and Perkins, Dorothy C.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20010068638},
  note = {Source identifier: 20010068638}
}