@misc{indiciae64aa1704ae0d,
  title = {Some oligochaetes from Lake Michigan},
  author = {Jarl K. Hiltunen},
  year = {1967},
  doi = {10.2307/3224267},
  url = {https://pubs.usgs.gov/publication/1000180},
  note = {Source identifier: 1000180}
}