http://www.chem.uidaho.edu/~honors/phases.html
http://www.chem.uidaho.edu/~honors/phases.html
http://fusioned.gat.com/SlideShowFolder/PlasmaDefined.html
http://www.chem.purdue.edu/gchelp/atoms/states.html
http://www.galaxy.net/~k12/matter/phases.shtml
http://scsc.essortment.com/theplasmastate_rfbb.htm
http://encarta.msn.com/find/MediaMax.asp? pg=3&ti= 761555245&idx=461533467
TITLE:Three Phases of Matter
AUTHOR:Alan Walton
PUBLISHER:Oxford; New York; Copyright 1991
