Bis. <br/><br/>
Is 1395 :1982 

 - New Delhi :  Bureau Of Indian Standard,  1994 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Applied physics
<br/><br/><label>Dewey Class. No.: </label>621  / BIS