Michaela Denk Karl Anton Froeschl Wilfried Grossmann Statistical Composites: A Transformation-Bound Representation of Statistical Datasets. 217-226 2002 conf/ssdbm/2002 SSDBM http://computer.org/proceedings/ssdbm/1632/16322170abs.htm db/conf/ssdbm/ssdbm2002.html#DenkFG02