Das Sudhir Ranjan <br/><br/>
Stone tools history and origins 
Das Sudhir Ranjan 
 - Calcutta  Pilgrim Publishers India       1968 
 - 208p.  cm. 
<br/><br/><label>Standard No.: </label>251,676 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y714:83v, K8