@misc{indiciaed753aca89fe0,
  title = {Use of microstrip patch antennas in grain permittivity measurement},
  author = {El Sabbagh and O.M. Ramahi and S. Trabelsi and S.O. Nelson and L. Khan},
  year = {2003},
  url = {https://pubs.usgs.gov/publication/70025486},
  note = {Source identifier: 70025486}
}