Dobb f.p. <br/><br/>
IS09000 quality registration  

 - London:   Butter Worth Heine  Mann  1996 
 - 261p. 
<br/><br/><label>ISBN: </label>0 7506 2532 5 
<br/><br/><label>Universal Decimal Class. No.: </label>006.83(100)ISO  / N6