@book{232981,
	author = {Hay, David C., and ebrary, Inc.},
	title = {Data model patterns},
	publisher = {Elsevier Morgan Kaufmann,},
	year = {c2006.},
	series = {The Morgan Kaufmann series in data management systems},
	address = {Amsterdam ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10185974}
}