Vanbaal J <br/><br/>
Symbol for communications 
Vanbaal J 
 - New York       Vanggorcum          1971 
 - xii,289p.  cm. 
<br/><br/><label>Standard No.: </label>22418 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Y7:(Q), L1