@misc{indiciaefee4af7ac8a7,
  title = {High-Latitude Filtering in a Global Grid-Point Model Using Model Normal Modes},
  author = {Takacs, L. L. and Navon, I. M. and Kalnay, E.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850021130},
  note = {Source identifier: 19850021130}
}