Ramsay, D.C. Taylor, G.W. <br/><br/>
Metrication 

 - W & R CHAMBERS   LONDON  1969 
 - 31p.  chart 
<br/><br/><label>Nat. Bib. No.: </label>3289 
<br/><br/><label>Universal Decimal Class. No.: </label>389.151  / RAM