@misc{indiciaebd9a1840f240,
  title = {Is amplitude loss of sonic waveforms due to intrinsic attenuation or source coupling to the medium?},
  author = {Myung W. Lee},
  year = {2006},
  doi = {10.3133/sir20065120},
  url = {https://pubs.usgs.gov/publication/sir20065120},
  note = {Source identifier: sir20065120}
}