@misc{indiciaeb6f8fd1f2b1e,
  title = {Global ocean tide mapping using TOPEX/Poseidon altimetry},
  author = {Sanchez, Braulio V. and Cartwright, D. E. and Estes, R. H. and Williamson, R. G. and Colombo, O. L.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19930005802},
  note = {Source identifier: 19930005802}
}