@TechReport{benthin:07:subdiv,
	title	= { {Packet-based} {Ray} {Tracing} {of} {Catmull-Clark} {Subdivision} {Surfaces}},
	author	= { Carsten Benthin and Solomon Boulos and J Dylan Lacewell and Ingo Wald },
	year	= { 2007 },
	school	= { {SCI} {Institute,} {University} {of} {Utah} },
	number	= { {UUSCI-2007-011} }
}