Johnston, William. <br/><br/>
Silent Music :  The Science of Meditation / 
William Johnston. 
 - Collins :  William Collins Sons & Co,   1974. 
 - 190 p. 
<br/><br/><label>ISBN: </label>0006241867 
<br/><br/><label>Dewey Class. No.: </label>242  / JOH