Speaks, Charles E. <br/><br/>
Animations for introduction to sound  [videorecording] / 
Charles E. Speaks 
 - San Diego, CA :  Singular,  [n.d.] 
 - 1 video (30 min.) :  sd. col.;  12 cm 
<br/><br/> In Proses PP 
<br/><br/><label>ISBN: </label>1565934571  RM956.56