@misc{indiciae4a47ec27a74b,
  title = {Organochlorine residues in great blue herons from the northwestern United States},
  author = {R. E. Fitzner and L. J. Blus and Charles J. Henny and D.W. Carlile},
  year = {1988},
  url = {https://pubs.usgs.gov/publication/5220612},
  note = {Source identifier: 5220612}
}