@misc{indiciaedc99e9fbf24c,
  title = {Calibration validation for the GEOS 3 altimeter},
  author = {Martin, C. F. and Kolenkiewicz, R.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810058267},
  note = {Source identifier: 19810058267}
}