@book{234098,
	author = {Chambers, R. L. and Clark, Robert G. and ebrary, Inc.},
	title = {An introduction to model-based survey sampling with applications},
	publisher = {Oxford University Press,},
	year = {2012.},
	series = {Oxford statistical science series ;},
	address = {Oxford ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10531080}
}