Hiroaki Kobayashi Hitoshi Yamauchi Yuichiro Toh Tadao Nakamura A Hierarchical Parallel Processing System for the Multipass-Rendering Method. 62-67 1996 conf/ipps/1996 IPPS http://computer.org/proceedings/ipps/7255/72550062abs.htm db/conf/ipps/ipps1996.html#KobayashiYTN96