Block 5 audio frequency amplification 

 - Milton keynes  Open university  1990 
 - 94p.  29cm 
<br/><br/><label>ISBN: </label>074926117X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Components and circuits
<br/><br/><label>Dewey Class. No.: </label>621.3815  / OPE