@misc{indiciae595fc0235fed,
  title = {Radar Mapping of Surface Soil Moisture},
  author = {Ulaby, F. T. and Dubois, P. C. and van Zyl, J.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/20060041690},
  note = {Source identifier: 20060041690}
}