NELKON, M <br/><br/>
Optics, Waves and Sound 

 - 6th 
 - London  Heinemann Educational Books  1978 
 - vi, 642p. 
<br/><br/><label>ISBN: </label>0435686623 
<br/><br/><label>LC Class. No.: </label>QC357.2  / .N45