Josef B. Spjut Solomon Boulos Daniel Kopta Erik Brunvand Spencer Kellis TRaX: A Multi-Threaded Architecture for Real-Time Ray Tracing. 108-114 2008 SASP http://dx.doi.org/10.1109/SASP.2008.4570794 conf/sasp/2008 db/conf/sasp/sasp2008.html#SpjutBKBK08