http://en.wikipedia.org/wiki/Pyrotechnic_composition
http://chemistry.about.com/od/howthingswork/a/fireworks.htm
http://chemistry.about.com/od/fireworkspyrotechnics/a/fireworkcolors.htm
http://www.youtube.com/watch?feature=player_embedded&v=88TVh1O5P1o
http://www.msnbc.msn.com/id/3077329/
http://chemistry.about.com/od/fireworkspyrotechnics/a/black-powder-composition.htm
http://upload.wikimedia.org/wikipedia/commons/7/7c/Flametest--Cu.swn.jpg
http://www.ch.ic.ac.uk/local/projects/gondhia/construction.html
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