Perreault, Jean M  . <br/><br/>
An introduction to UDC /  
Jean M Perreault. 
 - London :   Clive Bingley ,   1969. 
 - 111 p :   pict. ;   22 cm .  
<br/><br/>Includes concept index 
<br/><br/><label>ISBN: </label> NULL (Hb) 
<br/><br/><label>Subjects--Index Terms: </label>UNIVERSAL DECIMAL CLASSIFICATION 
<br/><br/><label>Dewey Class. No.: </label>025.432  / PER/U