@misc{indiciae13348caacfc9,
  title = {Annual variation in polychlorinated biphenyl (PCB) exposure in tree swallow (Tachycineta bicolor) eggs and nestlings at Great Lakes Restoration Initiative (GLRI) study sites},
  author = {Christine M. Custer and Thomas W. Custer and Paul M. Dummer and Diana R. Goldberg and J. Christian Franson},
  year = {2018},
  doi = {10.1007/s10661-018-6617-3},
  url = {https://pubs.usgs.gov/publication/70196115},
  note = {Source identifier: 70196115}
}