@misc{indiciaebe74e8489961,
  title = {The TOPSAR interferometric radar topographic mapping instrument},
  author = {Zebker, Howard A. and Madsen, Soren N. and Martin, Jan and Alberti, Giovanni and Vetrella, Sergio and Cucci, Alessandro},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19940012276},
  note = {Source identifier: 19940012276}
}