Langford, R A <br/><br/>
Worterbuch der technik und des handels 

 - Zurich:  The English Institute,   1949 
 - 1360p. 
<br/><br/> Tome II, E-L 
<br/><br/><label>Universal Decimal Class. No.: </label>R 38+6(038)=00 H9