@misc{indiciae009fd7c31c91,
  title = {Natural variance in pH as a complication in detecting acidification of lakes},
  author = {J.T. Turk},
  year = {1988},
  doi = {10.1007/bf00226489},
  url = {https://pubs.usgs.gov/publication/70014810},
  note = {Source identifier: 70014810}
}