Opera :  composers, works, performers / 
editor-in-chief, András Batta ; editor, Sigrid Neef ; revised edition Matthias Heilman. 
 - Rev ed., English ed., completely rev ed. /  Matthais Heilmann. 
 - Germany:  Fullman,  2009. 
 - 917 p. :  ill. (some col.) ;  31 cm. 
<br/><br/>Includes bibliographical references (p. 884-885) and indexes. 
<br/><br/><label>ISBN: </label>9783833120480 (hbk.)  RM294.12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Opera.