@misc{indiciae33e56cc18eda,
  title = {GEODYN programmers guide, volume 2, part 1},
  author = {Mullins, N. E. and Goad, C. C. and Dao, N. C. and Martin, T. V. and Boulware, N. L. and Chin, M. M.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19750002902},
  note = {Source identifier: 19750002902}
}