Natural and synthetic rubber:   Perspectives for the seventies  
/ Economic and scientific Research Foundation 
 - New Delhi:   Economic and scientific Research Foundation,   1971 
 - 96p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Universal Decimal Class. No.: </label>338.4:678.4(540)   / L1