@misc{indiciae4aebf7ef70ee,
  title = {Trends in amphibian occupancy in the United States},
  author = {M. J. Adams and David A.W. Miller and Erin Muths and Paul Stephen Corn and Evan H. Campbell Grant and Larissa L. Bailey and Gary M. Fellers and Robert N. Fisher and Walter J. Sadinski and Hardin Waddle and Susan C. Walls},
  year = {2013},
  doi = {10.1371/journal.pone.0064347},
  url = {https://pubs.usgs.gov/publication/70046074},
  note = {Source identifier: 70046074}
}