TY  - RPRT
TI  - Pedologic and climatic controls on Rn-222 concentrations in soil gas, Denver, Colorado
AU  - S. Asher-Bolinder
AU  - D.E. Owen
AU  - R.R. Schumann
PY  - 2012
DO  - 10.1029/gl017i006p00825
UR  - https://pubs.usgs.gov/publication/70016293
ID  - 70016293
ER  -