@misc{indiciae66923b96cff5,
  title = {Use of stable isotope ratios to discriminate dietary components of free-ranging animals: An example with Chesapeake Bay canvasbacks},
  author = {G.M. Haramis and Dennis G. Jorde and P. N. Klein and S.A. Macko and B.S. Walker},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/5222673},
  note = {Source identifier: 5222673}
}