@InProceedings{wald:06:NlogN,
	title	= { {On} {building} {fast} {kd-trees} {for} {ray} {tracing,} {and} {on} {doing} {that} {in} {O(N} {log} {N)}},
	author	= { Ingo Wald and Vlastimil Havran },
	year	= { 2006 },
	pages	= { 61--69 },
	booktitle	= { {Proceedings} {of} {the} {2006} {IEEE} {Symposium} {on} {Interactive} {Ray} {Tracing} }
}