@misc{indiciaedc0f33c05044, title = {Eggshell thinning in the brown pelican: Implication of DDE}, author = {L. J. Blus and R.G. Heath and C.D. Gish and A. A. Belisle and R. M. Prouty}, year = {1971}, doi = {10.2307/1296019}, url = {https://pubs.usgs.gov/publication/5221242}, note = {Source identifier: 5221242} }