@misc{indiciaecf22217244d9,
  title = {Calibration validation for the GEOS-3 altimeter},
  author = {Martin, C. F. and Kolenkiewicz, R.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800021876},
  note = {Source identifier: 19800021876}
}