@misc{indiciaefc89bfdaf878,
  title = {The TOPSAR interferometric radar topographic mapping instrument},
  author = {Zebker, Howard A. and Madsen, Soren N. and Martin, Jan and Wheeler, Kevin B. and Miller, Timothy and Lou, Yunling and Alberti, Giovanni and Vetrella, Sergio and Cucci, Alessandro},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930035722},
  note = {Source identifier: 19930035722}
}