@book{31484,
	author = {Everitt, Brian. and Social Science Research Council (Great Britain)},
	title = {Cluster analysis /},
	publisher = {published on behalf of the Social Science Research Council by Heinemann Educational Books ;},
	year = {1980.},
	series = {Reviews of current research ; 11},
	address = {London :},
	edition = {2d ed.},
	note = {Includes index.}
}