TY - RPRT TI - Translating CFC-based piston ages into probability density functions of ground-water age in karst AU - Andrew J. Long AU - L.D. Putnam PY - 2006 DO - 10.1016/j.jhydrol.2006.05.004 UR - https://pubs.usgs.gov/publication/70028984 ID - 70028984 ER -