TY  - RPRT
TI  - A robust calibration technique for acoustic emission systems based on momentum transfer from a ball drop
AU  - Gregory C. McLaskey
AU  - David A. Lockner
AU  - Brian D. Kilgore
AU  - Nicholas M. Beeler
PY  - 2015
DO  - 10.1785/0120140170
UR  - https://pubs.usgs.gov/publication/70135195
ID  - 70135195
ER  -