TY  - RPRT
TI  - Diffusion of radon through concrete block walls: A significant source of indoor radon
AU  - R.S. Lively
AU  - L.F. Goldberg
PY  - 1999
DO  - 10.1093/oxfordjournals.rpd.a032604
UR  - https://pubs.usgs.gov/publication/70021760
ID  - 70021760
ER  -