@misc{indiciae104dc8451e84,
  title = {Monitoring Global Geophysical Fluids by Space Geodesy},
  author = {Chao, Benjamin F. and Dehant, V. and Gross, R. S. and Ray, R. D. and Salstein, D. A. and Watkins, M.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/19990115475},
  note = {Source identifier: 19990115475}
}