@misc{indiciae01292e7b1b95,
  title = {A Methodology for Surface Soil Moisture and Vegetation Optical Depth Retrieval Using the Microwave Polarization Difference Index},
  author = {Owe, Manfred and deJeu, Richard and Walker, Jeffrey and Zukor, Dorothy J.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20010028709},
  note = {Source identifier: 20010028709}
}