TY  - RPRT
TI  - Distribution of thorium, uranium, and potassium in igneous rocks of the Boulder batholith region, Montana, and its bearing on radiogenic heat production and heat flow
AU  - R.I. Tilling
AU  - David Gottfried
PY  - 1969
DO  - 10.3133/pp614e
UR  - https://pubs.usgs.gov/publication/pp614E
ID  - pp614E
ER  -