@misc{indiciae0a7d61203308,
  title = {Anticipated Improvements In Gravitational-Field Data},
  author = {Bertiger, William I. and Wu, Jiun-Tsong and Wu, Sien C.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19940000179},
  note = {Source identifier: 19940000179}
}