@misc{indiciaeeb72e07c1468,
  title = {Seasonal fluctuations of Lake Michigan diatoms},
  author = {Ruth E. Holland},
  year = {2003},
  doi = {10.4319/lo.1969.14.3.0423},
  url = {https://pubs.usgs.gov/publication/1000189},
  note = {Source identifier: 1000189}
}