@misc{indiciae1bc6a300357d,
  title = {Proceedings of the Second National U.S. Fish and Wildlife Service Geographic Information Systems Workshop, June 10-13, 1991},
  author = {F. D’Erchia},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/70125397},
  note = {Source identifier: 70125397}
}