@misc{indiciaed1179005c9cc,
  title = {Geocentric gravitational constant determined from spacecraft radiometric data},
  author = {Esposito, P. B. and Ng, A. T. Y.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760058274},
  note = {Source identifier: 19760058274}
}