@InProceedings{knolla:06:OctIso,
	title	= { {Interactive} {Isosurface} {Ray} {Tracing} {of} {Large} {Octree} {Volumes}},
	author	= { Aaron Knoll and Ingo Wald and Steven G Parker and Charles D Hansen },
	year	= { 2006 },
	pages	= { 115--124 },
	booktitle	= { {Proceedings} {of} {the} {2006} {IEEE} {Symposium} {on} {Interactive} {Ray} {Tracing} }
}