@misc{indiciae1d79c56e3fbc,
  title = {Physical habitat simulation system reference manual: version II},
  author = {Robert T. Milhous and Marlys A. Updike and Diane M. Schneider},
  year = {1989},
  url = {https://pubs.usgs.gov/publication/70123153},
  note = {Source identifier: 70123153}
}