@misc{indiciaee1e8f353c468,
  title = {Spreadsheet WATERSHED modeling for nonpoint-source pollution management in a Wisconsin basin},
  author = {J.F. Walker and S.A. Pickard and W.C. Sonzogni},
  year = {2007},
  doi = {10.1111/j.1752-1688.1989.tb05674.x},
  url = {https://pubs.usgs.gov/publication/70015396},
  note = {Source identifier: 70015396}
}