Hand book of industrial data 
/ Directorate General of Technical Development 
 - New Delhi:   Directorate General of Technical Development,   1973 
 - 448p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Subjects--Index Terms: </label>Handbook 
<br/><br/><label>Universal Decimal Class. No.: </label>R 338.011(540)(083.4)  / L3