@misc{indiciaee884594e84c8,
  title = {An improved error assessment for the GEM-T1 gravitational model},
  author = {Lerch, F. J. and Marsh, J. G. and Klosko, S. M. and Patel, G. B. and Chinn, D. S. and Pavlis, E. C. and Wagner, C. A.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920032048},
  note = {Source identifier: 19920032048}
}