Butenschon, Sine <br/><br/>
Voice and song 
Sine Butenschon, Hans Borchgrevink 
 - Cambridge  Cambridge University Press  1982 
 - ix,62 p  
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780521111072 
<br/><br/><label>Dewey Class. No.: </label>782 BUT