@misc{indiciae4576e2c5ed0f,
  title = {Ultrasound Algorithm Derivation for Soil Moisture Content Estimation},
  author = {Belisle, W.R. and Metzl, R. and Choi, J. and Aggarwal, M. D. and Coleman, T.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/20010000376},
  note = {Source identifier: 20010000376}
}