@misc{indiciaeef0aa7fddd0a,
  title = {Reproduction by an altricial songbird, the red-winged blackbird, in fields treated with the organophosphate insecticide fenthion},
  author = {G.V.N. Powell},
  year = {1984},
  doi = {10.2307/2403038},
  url = {https://pubs.usgs.gov/publication/5221916},
  note = {Source identifier: 5221916}
}