@misc{indiciae0b66d01441e1,
  title = {The Danish SAR system - Design and initial tests},
  author = {Madsen, Soren N. and Christensen, Erik L. and Skou, Niels and Dall, Jorgen},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910057840},
  note = {Source identifier: 19910057840}
}