@book{47554,
	author = {Bryman, Alan. and ebrary, Inc.},
	title = {Quantity and quality in social research},
	publisher = {Unwin Hyman,},
	year = {1988.},
	series = {Contemporary social research series ;},
	address = {London ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10062941}
}