No Author,  <br/><br/>
Current Science 

 - Newdelhi  Indian Academy of Sciences  2017 
 - June 
<br/><br/><label>Subjects--Uniform Titles: </label>--Post Graduate Reference
<br/><br/><label>Subjects--Topical Terms: </label><br/>NATURAL SCIENCE & MATHEMATICSPhysics
<br/><br/><label>Dewey Class. No.: </label>500.05   / CUR-C