Waldron,R.A <br/><br/>
Waves and oscillations 
by R.A.Waldron 
 - Toronto  D.Van Nostrand  c1964 
 - vii, 135p.: ill .; 20cm  
 - Van nostrand  momentum book  no. 4  .
<br/><br/><label>Dewey Class. No.: </label>532.32  / WAL