TY  - RPRT
TI  - A calibration pad facility for gamma-ray spectrometers at the U.S. Geological Survey in Reston, Virginia
AU  - Joseph S. Duval1
AU  - Stephen L. Snyder
PY  - 2005
DO  - 10.3133/ofr20051435
UR  - https://pubs.usgs.gov/publication/ofr20051435
ID  - ofr20051435
ER  -