Contacts to the authors:

	Dr. Bernward Tewes Catholic University of Eichstätt-Ingolstadt Computing Center D-85071 Eichstätt Germany		Administration of this website SAS programming
	Prof. Dr. Michael Falk Chair of Statistics University of Würzburg Am Hubland D-97074 Würzburg Germany falk@mathematik.uni-wuerzburg.de http://statistik.mathematik.uni-wuerzburg.de/		Statistics
	PD Dr. Frank Marohn Chair of Statistics University of Würzburg Am Hubland D-97074 Würzburg Germany http://statistik.mathematik.uni-wuerzburg.de/		Statistics