@TechReport{wald:07:SST,
	title	= { {SIMD} {Ray} {Stream} {Tracing} {-} {SIMD} {Ray} {Traversal} {with} {Generalized} {Ray} {Packets} {and} {On-the-fly} {Re-Ordering}},
	author	= { Ingo Wald and Christiaan P Gribble and Solomon Boulos and Andrew Kensler },
	year	= { 2007 },
	school	= { {SCI} {Institute,} {university} {of} {Utah} },
	number	= { {UUSCI-2007-012} }
}