Ray, M., Gupta, S.C. and Seth, S.S. <br/><br/>
Electricity and Magnetism 
An Introduction to the Mathematical the ory 
 - Agra  Students' Friends & Co.  1963 
 - 523 
<br/><br/><label>Publisher. No.: </label> Popular Book Depot 
<br/><br/><label>Subjects--Personal Names: </label> Physics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics