@misc{indiciaec055dd026b66,
  title = {Precise orbit determination for CHAMP using GPS data from BlackJack Receiver},
  author = {Romans, L. and Meehan, T. and Kruizinga, G. and Iijima, B. and Haines, B. and Desai, S. and Bertiger, W. and Bar-Sever, Y. and Kuang, D.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20210004871},
  note = {Source identifier: 20210004871}
}