@INPROCEEDINGS{Wilhelms94b,
	AUTHOR	= "Jane Wilhelms and Van Gelder, Allen",
	TITLE   = "Multi-Dimensional Trees for Controlled Volume
		Rendering and Compression",
	BOOKTITLE = "ACM Symposium on Volume Visualization 1994",
	MONTH	= "October",
	ADDRESS = "Washington, D.C.",
	NOTE	= "See  also technical report UCSC-CRL-94-02",
	PAGES	= "27--34",
	YEAR	= "1994"
	}