@misc{indiciae1b3536ed669f,
  title = {Dynamics of CFCs in northern temperate lakes and adjacent groundwater},
  author = {John F. Walker and David A. Saad and Randall J. Hunt},
  year = {2007},
  doi = {10.1029/2005wr004647},
  url = {https://pubs.usgs.gov/publication/70029771},
  note = {Source identifier: 70029771}
}