Golden jubilee / 
published by Thornes Publications 
 - Calcutta :  Thornes Publications,  1964- 
 - v. ;  24 cm. 
<br/><br/> Library has vol 2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technological innovations<br/>Research, Industrial
<br/><br/><label>Dewey Class. No.: </label>607.2