@misc{indiciae2d95d2a0b4ad,
  title = {Contaminant exposure of willets feeding in agricultural drainages of the lower Rio Grande valley of south Texas},
  author = {T. W. Custer and C. A. Mitchell},
  year = {1991},
  doi = {10.1007/bf00418104},
  url = {https://pubs.usgs.gov/publication/1003059},
  note = {Source identifier: 1003059}
}