council of the bureau of Ceylon standards <br/><br/>
Report;The Adoption of the metric system in ceylon/ 

 - Srilanka:  council of the bureau of Ceylon standards  1969 
 - P.25;  29cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commerce, Communications and Transportation
<br/><br/><label>Dewey Class. No.: </label>389  / cou