http://www.alchemical.org/em/Handout14-OhmWksheet.html
http://www.thebigger.com/physics/conductors-insulators-and-semi-conductors/what-is-the-difference-between-semiconductors-conductors-and-insulators-depending-upon-their-energy-bands/
http://www.pcguide.com/ref/power/ext/basicsACDC-c.html
http://www.facstaff.bucknell.edu/mastascu/elessonshtml/Basic/Basic6PE.html
http://www.physicstutorials.org/home/electrostatics/electrostatics-cheat-sheet
http://tap.iop.org/electricity/capacitors/127/page_46171.html
http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa_pre_2011/electricity/circuitsrev3.shtml
http://library.thinkquest.org/11924/swproperties.html
http://www.electronics-tutorials.ws/resistor/res_6.html
http://www.revisionworld.co.uk/gcse-revision/maths/shape-space-and-measures/circles/angle-theorems
biology
http://www.wischik.com/marcus/essay/biotek3.html
http://biotech.about.com/od/glossary/g/Fermentation.htm
http://www.faqs.org/nutrition/Ar-Bu/Biotechnology.html#b
http://www.etap.org/demo/biology_files/lesson5/instruction3tutor.html
http://library.findlaw.com/2004/Oct/28/133636.html
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