@Article{wald:07:STAR09,
	title	= { {State} {of} {the} {Art} {in} {Ray} {Tracing} {Animated} {Scenes}},
	author	= { Ingo Wald and William R Mark and Johannes G{\"u}nther and Solomon Boulos and Thiago Ize and Warren Hunt and Steven G Parker and Peter Shirley },
	year	= { 2009 },
	pages	= { 1691--1722 },
	journal	= { Computer Graphics Forum },
	volume	= { 28 },
	number	= { 6 }
}