@misc{indiciaeb1a5e4c9a4af,
  title = {Geodetic research studies Final technical report},
  author = {Gaposchkin, E. M. and Lundquist, C. A. and Veis, G.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690004363},
  note = {Source identifier: 19690004363}
}