CSIR-UGC NET/JRF/SET pysical sciences/ 
Tomar,Surekha 
 - Agra:  Upkar prakashan, 
 - 1127 
<br/><br/><label>ISBN: </label>9788174825278 
<br/><br/><label>Dewey Class. No.: </label>530  / TOM/C