@TechReport{boulos:06:IA,
	title	= { {Geometric} {and} {Arithmetic} {Culling} {Methods} {for} {Entire} {Ray} {Packets}},
	author	= { Solomon Boulos and Ingo Wald and Peter Shirley },
	year	= { 2006 },
	school	= { {School} {of} {Computing,} {University} {of} {Utah} },
	number	= { {UUCS-06-010} }
}