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^ Miller, Rex. Electronics The Easy Way, 4th ed. Barron's Educational Series, 2002 p. 88-89.

^ http://www.silentpcreview.com/article28-page3.html SPCR: Power Supply Fundamentals: POWER SHMOWER or How PSU Power Ratings Mean Almost Nothing

^ Malmstadt, Enke and Crouch, Electronics and Instrumentation for Scientists, The Benjamin/Cummings Publishing Company, Inc., 1981, ISBN 0-8053-6917-1, Chapter 3.