TY  - RPRT
TI  - The use of groundwater age as a calibration target
AU  - Leonard F. Konikow
AU  - G.Z. Hornberger
AU  - L.D. Putnam
AU  - A.M. Shapiro
AU  - B.A. Zinn
PY  - 2008
UR  - https://pubs.usgs.gov/publication/70032422
ID  - 70032422
ER  -