MAKE A MEME View Large Image ShockwaveGraphic.png Illustration of two qk curves to help illustrate shockwaves created by David Levinson 2008-03-06 David Levinson Public Domain Fundamentals of Transportation
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Keywords: ShockwaveGraphic.png Illustration of two qk curves to help illustrate shockwaves created by David Levinson 2008-03-06 David Levinson Public Domain Fundamentals of Transportation
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