@misc{indiciae8207898ac0cd,
  title = {TOPEX microwave radiometer system calibration - Refining the SMMR heritage},
  author = {Ruf, Christopher S. and Janssen, Michael A. and Keihm, Stephen J.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19910030911},
  note = {Source identifier: 19910030911}
}