@misc{indiciae33ec1505f11a,
  title = {Effects of intraborehole flow on groundwater age distribution},
  author = {B.A. Zinn and Leonard F. Konikow},
  year = {2007},
  doi = {10.1007/s10040-006-0139-8},
  url = {https://pubs.usgs.gov/publication/70029873},
  note = {Source identifier: 70029873}
}