@misc{indiciae774a0082e2fa,
  title = {Characteristics and Applications of Precise GPS Clock Solutions Every 30 Seconds},
  author = {Zumberge, J. F. and Webb, F. H.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/20210005237},
  note = {Source identifier: 20210005237}
}