TY - RPRT TI - Chlorofluorocarbons as tracers of groundwater transport processes in a shallow, silty sand aquifer AU - P.G. Cook AU - D. K. Solomon AU - Niel Plummer AU - E. Busenberg AU - S.L. Schiff PY - 2010 DO - 10.1029/94wr02528 UR - https://pubs.usgs.gov/publication/70185326 ID - 70185326 ER -