Pramana journal of physics 

 - National  Indian Academy Of Science, Bangalore  1997 
 -  48 .
<br/><br/> Issue No. 1-2 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Pramana<br/>journal<br/>of<br/>physics<br/>phiysics<br/>phiysics