TY  - RPRT
TI  - Mapping luminescence of uranium-bearing sandstones using an imaging Fraunhofer line discriminator
AU  - Robert D. Watson
AU  - Arnold F. Theisen
PY  - 1977
DO  - 10.3133/ofr77743
UR  - https://pubs.usgs.gov/publication/ofr77743
ID  - ofr77743
ER  -