TY  - RPRT
TI  - Use of NaI (Tl) and germanium detectors for in situ x-ray spectral monitoring of boreholes at nuclear waste-disposal sites
AU  - W.S. Keys
AU  - F. E. Senftle
AU  - Allan B. Tanner
PY  - 1979
DO  - 10.3133/ofr791220
UR  - https://pubs.usgs.gov/publication/ofr791220
ID  - ofr791220
ER  -