@misc{indiciae500bdb0914ab,
  title = {Measuring Soil Moisture With Imaging Radars},
  author = {Engman, T. and Zyl, J. van and Dubois, P.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/20210004289},
  note = {Source identifier: 20210004289}
}