@misc{indiciae9523135d609a,
  title = {Analysis of the sea otter ( Enhydra lutris ) reproductive tract: A methods manual},
  author = {Vanessa R. von Biela and Verena A. Gill},
  year = {2007},
  url = {https://pubs.usgs.gov/publication/70174216},
  note = {Source identifier: 70174216}
}