@misc{indiciaeed188f6120f4,
  title = {Residues of toxaphene in insectivorous birds ( Petrochelidon spp.) from the Rio Grande, Texas},
  author = {K.A. Maruya and K.L. Smalling and M.A. Mora},
  year = {2005},
  doi = {10.1007/s00244-004-0142-9},
  url = {https://pubs.usgs.gov/publication/70029635},
  note = {Source identifier: 70029635}
}