@misc{indiciae7b1f1e882bcd,
  title = {A method for determining the onset year of intense browsing},
  author = {R.B. Keigley and M.R. Frisina and C. Fager},
  year = {2003},
  doi = {10.2307/4003878},
  url = {https://pubs.usgs.gov/publication/70026054},
  note = {Source identifier: 70026054}
}