TY - RPRT TI - Assay for uranium and determination of disequilibrium by means of in situ high resolution gamma-ray spectrometry AU - Allan B. Tanner AU - Robert M. Moxham AU - F. E. Senftle PY - 1977 DO - 10.3133/ofr77571 UR - https://pubs.usgs.gov/publication/ofr77571 ID - ofr77571 ER -