1. Agency For Toxic Substances and Disease Registry (AGTSDR). 1995a. ToxFAQs for DDT, DDE, DDD. Available online at www.atsdr.cdc.gov/tfacts35.htm
2. Agency For Toxic Substances and Disease Registry (AGTSDR). 1995b. ToxFAQs for Polychlorinated Biphenyls (PCBs). Available online at www.atsdr.cdc.gov/tfacts17.html
3. Andrady, A.L., 1990. Environmental degradation of plastics under land and marine exposure conditions. In: Shomura, R.S., Godfrey, M.L. (Eds.), Proceedings of the Second International Conference on Marine Debris, (pp. 848–869), April 2–7, 1989, Honolulu, Hawaii. US Dept. of Commerce, NOAA Technical Memorandum NMFS, NOAA-TM-NMFS-SWFC-154
4. Marine birds and plastic pellets;Azzarello;Marine Ecology Progress Series,1987
5. Occurrence of plastic particles in seabirds from the Eastern North Pacific;Blight;Marine Pollution Bulletin,1997