@misc{indiciae4330b44db398, title = {Dating of shallow groundwater: Comparison of the transient tracers 3H/3He, chlorofluorocarbons, and 85Kr}, author = {Brenda Ekwurzel and Peter Schlosser and William M. Smethie and Niel Plummer and Eurybiades Busenberg and Robert L. Michel and Ralf Weppernig and Martin Stute}, year = {2010}, doi = {10.1029/94wr00156}, url = {https://pubs.usgs.gov/publication/70185390}, note = {Source identifier: 70185390} }