@misc{indiciaee9c34885060c,
  title = {Use of captive starlings to determine effects of environmental contaminants on passerine reproduction: Pen characteristics and nestling food requirements},
  author = {Christian E. Grue and L.P. Franson},
  year = {1986},
  doi = {10.1007/bf01607819},
  url = {https://pubs.usgs.gov/publication/5222131},
  note = {Source identifier: 5222131}
}