TY  - RPRT
TI  - Statistical analysis of the radon-222 potential of rocks in Virginia, U.S.A.
AU  - C. Erwin Brown
AU  - D.G. Mose
AU  - G.W. Mushrush
AU  - C.E. Chrosniak
PY  - 1992
DO  - 10.1007/bf01704086
UR  - https://pubs.usgs.gov/publication/70017170
ID  - 70017170
ER  -