@misc{indiciae2a9e81384e2a,
  title = {Global geodesy using GPS without fiducial sites},
  author = {Heflin, Michael and Bertiger, Willy and Blewitt, Geoff and Freedman, Adam and Hurst, Ken and Lichten, Steve and Lindqwister, Ulf and Vigue, Yvonne and Webb, Frank and Yunck, Tom},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920041594},
  note = {Source identifier: 19920041594}
}