@misc{indiciaec29c0b284874,
  title = {The International GPS Network for Charting the Evolving Global Reference Frame},
  author = {Zumberge, J. F. and Heflin, M. B. and Lindqwister, U. J. and Neilan, R. E. and Watkins, M. M.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/20060037468},
  note = {Source identifier: 20060037468}
}