@book{240159,
	author = {Celko, Joe. and ebrary, Inc.},
	title = {Joe Celko's analytics and OLAP in SQL},
	publisher = {Morgan Kaufmann,},
	year = {c2006.},
	series = {The Morgan Kaufmann series in data management systems},
	address = {San Francisco, Calif. :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10180368}
}