@misc{indiciaeb33c1e221b42,
  title = {Decline of Frog Species in the Yosemite Section of the Sierra Nevada},
  author = {Charles A. Drost and Gary M. Fellers},
  year = {1994},
  url = {https://pubs.usgs.gov/publication/2002278},
  note = {Source identifier: 2002278}
}