Boulez, Pierre, <br/><br/>
The Boulez-Cage Correspondence : 

 -  Cambridge University Press,  1993. 
 - 192 pages 
<br/><br/><label>ISBN: </label>9780521485586 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biography & Autobiography.
<br/><br/><label>Dewey Class. No.: </label>780.92  / NAT