@misc{indiciaee3562c709a68,
  title = {International Lake and Watershed Liming Practices},
  author = {Harvey Olem and R. Kent Schreiber and Robert W. Brocksen and Donald B. Porcella},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/70006376},
  note = {Source identifier: 70006376}
}