Upkar's CSIR-UGC NET/JRF/SET Physical Sciences/ 
Tomar,Dr.Surekha 
 - Agra:  Upkar Prakashan,  2002. 
 - 1127P. 
<br/><br/><label>ISBN: </label>9788174825278 
<br/><br/><label>Dewey Class. No.: </label>530  / TOM/U