TY  - RPRT
TI  - The challenge of interpreting environmental tracer concentrations in fractured rock and carbonate aquifers
AU  - Allen M. Shapiro
PY  - 2010
DO  - 10.1007/s10040-010-0678-x
UR  - https://pubs.usgs.gov/publication/70034222
ID  - 70034222
ER  -