Dhingra,I.C. and Garg,V.K. <br/><br/>
Aarthik pranaliyan evam sidhanth 

 - New Delhi  Sultan chand and sons  1999 
 - 555p. 
<br/><br/><label>ISBN: </label>81-7014-913-4 
<br/><br/><label>Dewey Class. No.: </label>330.1H    Dhi.N9