Links to my sources

http://gershwin.ens.fr/vdaniel/Doc-Locale/Cours-Mirrored/Methodes-Maths/white/deqn/a1/torricelli/torricelli.html

http://gazette.jhu.edu/2009/10/05/now-on-tap-the-%E2%80%98fizzics%E2%80%99-of-beer/

http://www.infobarrel.com/How_to_Shotgun_a_Beer

http://www.faqs.org/faqs/beer-faq/part2/section-1.html

http://ffden-2.phys.uaf.edu/212_spring2007.web.dir/Alec_Venechuk/bibliography/bibliography.html

http://www.ace.gatech.edu/experiments2/2413/torricelli/fall02/TorricelliLaw/analysis.htm