TY  - RPRT
TI  - Modeling radium and radon transport through soil and vegetation
AU  - J.A. Kozak
AU  - H. W. Reeves
AU  - B.A. Lewis
PY  - 2003
DO  - 10.1016/s0169-7722(03)00032-9
UR  - https://pubs.usgs.gov/publication/70024926
ID  - 70024926
ER  -