penfold, R.A. <br/><br/>
Electronics   build and learn 

 - 2nd. 
 - England  BPB publications  1990 
 - 111p.  21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ELECTRONICS
<br/><br/><label>Dewey Class. No.: </label>621.381  / PEN