@misc{indiciae6c9bd89ce764, title = {Comparison of two extraction methods for the analysis of petroleum hydrocarbon residues in mallard duck eggs by GC and GC-MS}, author = {A. A. Belisle and M. L. Gay and N. C. Coon}, year = {1981}, doi = {10.1016/0045-6535(81)90036-9}, url = {https://pubs.usgs.gov/publication/5221726}, note = {Source identifier: 5221726} }