@misc{indiciaec890c4312ecc,
  title = {A Standardized Protocol for Surveying Aquatic Amphibians},
  author = {Gary M. Fellers and Kathleen L. Freel},
  year = {1995},
  url = {https://pubs.usgs.gov/publication/2002245},
  note = {Source identifier: 2002245}
}