IGNOU <br/><br/>
PHE-02 Oscillations and waves 

 - 1992 
 - New Delhi  IGNOU        1992 
 - 106p. ill.  cm 
<br/><br/><label>ISBN: </label>00000 (pbk) 
<br/><br/><label>Standard No.: </label>201937 
<br/><br/><label>Source: </label> Textual