@TechReport{wald:06:DynBVH,
	title	= { {Ray} {Tracing} {Deformable} {Scenes} {using} {Dynamic} {Bounding} {Volume} {Hierarchies} {(unrevised} {version)}},
	author	= { Ingo Wald and Solomon Boulos and Peter Shirley },
	year	= { 2006 },
	school	= { {SCI} {Institute,} {University} {of} {Utah} },
	number	= { {UUSCI-2006-023} },
	note	= { A Revised version of this Techreport got accepted at ACM TOG 26, 1, 2007. Pplease refer to the revised version. }
}