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Microsoft Corporation, 2007, DirectX, http://www.gamesforwindows.com/en-US/AboutGFW/Pages/DirectX10.aspx
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Mechdyne Corporation, 2007, Flex and reFlex, http://www.mechdyne.com/integratedSolutions/displaySystems/products/FLEX/FLEXreFLEX.htm
UWC, 2007, QuickTime VR 360o Movies and Panoramas, http://www.uwcstock.com/panos.html
SGI, 2008, OpenGL Performer, http://www.sgi.com/products/software/performer/
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