Rao, V. V. L. <br/><br/>
A guide to the metric system 

 - Calcutta                  Asia publishing house   1962 
 - xi,64 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metric System
<br/><br/><label>Dewey Class. No.: </label>389.152  / R2151