@misc{indiciaec427febeb4c3,
  title = {The state of amphibians in the United States},
  author = {E. Muths and M.J. Adams and E.H.C. Grant and Dick Miller and P.S. Corn and L.C. Ball},
  year = {2012},
  doi = {10.3133/fs20123092},
  url = {https://pubs.usgs.gov/publication/fs20123092},
  note = {Source identifier: fs20123092}
}