@misc{indiciae8b3d26567079,
  title = {Gravity model improvement using the DORIS tracking system on the SPOT 2 satellite},
  author = {Nerem, R. S. and Lerch, F. J. and Williamson, R. G. and Klosko, S. M. and Robbins, J. W. and Patel, G. B.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950037856},
  note = {Source identifier: 19950037856}
}