TY  - RPRT
TI  - Trace elements and radon in groundwater across the United States, 1992-2003
AU  - Joseph D. Ayotte
AU  - Jo Ann M. Gronberg
AU  - Lori E. Apodaca
PY  - 2011
DO  - 10.3133/sir20115059
UR  - https://pubs.usgs.gov/publication/sir20115059
ID  - sir20115059
ER  -