TY - RPRT TI - Age-distribution estimation for karst groundwater: Issues of parameterization and complexity in inverse modeling by convolution AU - Andrew J. Long AU - L.D. Putnam PY - 2009 DO - 10.1016/j.jhydrol.2009.07.064 UR - https://pubs.usgs.gov/publication/70037151 ID - 70037151 ER -