@misc{indiciaee789fbdf4249,
  title = {Paleoenvironmental implications of taxonomic variation among δ 15 N values of chloropigments},
  author = {Meytal B. Higgins and Felisa Wolfe-Simon and Rebecca S. Robinson and Yelun Qin and Mark A. Saito and Ann Pearson},
  year = {2011},
  doi = {10.1016/j.gca.2011.04.024},
  url = {https://pubs.usgs.gov/publication/70034481},
  note = {Source identifier: 70034481}
}