Director: Prof. Dr. Peter E. BlöchlClausthal University of TechnologyLeibnizstr. 10D-38678 Clausthal-ZellerfeldGermanyphone: +49(5323) 72-2555fax: +49(5323) 72-3116E-Mail: Peter.Bloechl@tu-clausthal.deWWW: www.pt.tu-clausthal.de