Müller, Robert   1894-1950 <br/><br/>
Technische Studien   = Technical studies /  [Música impresa]  
Robert Müller. 
 - Frankfurt :   Zimmermann,   2004. 
 - 3 v. ;   31 cm. 
<br/><br/><br/>Zimmermann ZM 12270 
<br/><br/><label>LCCN: </label>5005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trombó---Estudis i exercicis.