@misc{indiciae44b6b57d0b84,
  title = {Testing mixing models of old and young groundwater in a tropical lowland rain forest with environmental tracers},
  author = {D. Kip Solomon and David P. Genereux and Niel Plummer and Eurybiades Busenberg},
  year = {2010},
  doi = {10.1029/2009wr008341},
  url = {https://pubs.usgs.gov/publication/70044511},
  note = {Source identifier: 70044511}
}