@misc{indiciae24813509439f,
  title = {An evaluation of bone growth- layer counts as an age-determination technique in Florida manatees},
  author = {M. Marmontel and T. J. O'Shea and S.R. Humphrey},
  year = {1990},
  url = {https://pubs.usgs.gov/publication/96247},
  note = {Source identifier: 96247}
}