SURESH  GARG  C.KGHOSH <br/><br/>
OSCILLATIONS AND WAVES  

 - NEW DELHI  PHI LEARNING PVT LTD  2009 
<br/><br/><label>ISBN: </label>978-81-203-3921-7 
<br/><br/><label>Dewey Class. No.: </label>530  / GAR/E