"Constructing the Universe: The Particle Explosion." Constructing the Universe: The Particle Explosion. N.p., n.d. Web. 25 Nov. 2012. <http://fafnir.phyast.pitt.edu/particles/conuni6.html>.
Elementary Particle Physics in a Nutshell. N.p., n.d. Web. 25 Nov. 2012. <http://www.phys.virginia.edu/Announcements/Seminars/Slides/S1617.pdf>.
"Murray Gell-Mann - Biography." Murray Gell-Mann - Biography. N.p., n.d. Web. 25 Nov. 2012. <http://www.nobelprize.org/nobel_prizes/physics/laureates/1969/gell-mann-bio.html>.
"Speakers Murray Gell-Mann: Physicist." Murray Gell-Mann. N.p., n.d. Web. 25 Nov. 2012. <http://www.ted.com/speakers/murray_gell_mann.html>.