RAO (V.V.L.) <br/><br/>
Guide to the metric system 

 -  1961  Asia Publishing House 
 - 1-64  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>Be             K1