@misc{indiciae7c41bb660c39,
  title = {Annulus formation on scales of four species of coregonids reared under artificial conditions},
  author = {Walter J. Hogman},
  year = {1968},
  doi = {10.1139/f68-188},
  url = {https://pubs.usgs.gov/publication/1000188},
  note = {Source identifier: 1000188}
}