TY  - RPRT
TI  - CALGRAD; an interactive program in BASIC for the calibration of gamma-ray spectrometers
AU  - F.B. Zelt
PY  - 1984
DO  - 10.3133/ofr84790
UR  - https://pubs.usgs.gov/publication/ofr84790
ID  - ofr84790
ER  -