@misc{indiciaed1753c9239ce,
  title = {An iterative algorithm for orbit determination and gravity field recovery using long repeat arcs},
  author = {Wu, Jiun-Tsong and Wu, Sien-Chong and Bertiger, Willy I.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900059780},
  note = {Source identifier: 19900059780}
}