@misc{indiciaec5c066346abb,
  title = {GRAS NRT Precise Orbit Determination: Operational Experience},
  author = {MartinezFadrique, Francisco M. and Mate, Alberto Agueda and Rodriquez-Portugal, Francisco Sancho},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20080012663},
  note = {Source identifier: 20080012663}
}