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(MPEG4) MPEG-4: A Multimedia Standard for the Third Millennium, Part 1. IEEE Computer Society. http://www.computer.org/multimedia/articles/mpeg4_1.htm

(PBS) Meltdown at Three Mile Island. http://www.pbs.org/wgbh/amex/three/

(Wikipedia1) Three Mile Island. http://en.wikipedia.org/wiki/Three_Mile_Island/