@misc{indiciae1a787e434432,
  title = {Estimating Soil Moisture from a Varying Subsurface Profile},
  author = {Van Zyl, Jakob J. and Kim, Yunjin and Khankhoje, Uday},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20150006802},
  note = {Source identifier: 20150006802}
}