Directory of scientific research institutions in India 1989 : Vol 4 

 - 1 
 - New Delhi :  Indian national scientific documentation centre,  1989 
 - 464p. : 
<br/><br/> Vo 1<br/>Vol 2<br/>Vol 3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Directory
<br/><br/><label>Dewey Class. No.: </label>507.209  DIR