Contemporary Who's Who of professionals 
/ American Biographical Institute, Inc. 
 - USA:   American Biographical Institute, Inc.,   2003 
 - lxxiii, 530p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biography
<br/><br/><label>Subjects--Index Terms: </label>Matthias Beck 
<br/><br/><label>Universal Decimal Class. No.: </label>R 92   / P3