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    <meta content='Figure 23.2, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland' name='creator'/>
    <meta content='http://www.wiley.com/legacy/compbooks/vrml2sbk/ch23/23fig02a.htm' name='reference'/>
    <meta content='Don Brutzman' name='translator'/>
    <meta content='22 September 2000' name='created'/>
    <meta content='11 January 2014' name='modified'/>
    <meta content='A linear-fog world with a default visibilityRange of 0.0 meters (which means Fog has no effect). Compare Figures 23.2a, 2b, 2c and 2d for comparison.' name='description'/>
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