@misc{indiciae26e39d2e5bca, title = {Arrival times and temporal moments of breakthrough curves for an imperfectly stratified aquifer}, author = {R.L. Naff}, year = {2010}, doi = {10.1029/91wr02105}, url = {https://pubs.usgs.gov/publication/70016683}, note = {Source identifier: 70016683} }