@misc{indiciae37ec29dc3d66,
  title = {METSAT: Advanced Microwave Sounding Unit-A1 (AMSU-A1). Structural Mathematical Model},
  author = {Heffner, R. J.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/19970011575},
  note = {Source identifier: 19970011575}
}