TY  - RPRT
TI  - Is amplitude loss of sonic waveforms due to intrinsic attenuation or source coupling to the medium?
AU  - Myung W. Lee
PY  - 2006
DO  - 10.3133/sir20065120
UR  - https://pubs.usgs.gov/publication/sir20065120
ID  - sir20065120
ER  -