Penfold, R. A. <br/><br/>
Multi-circuit board projects 
R. A. Penfold 
 -  c 1982 
<br/><br/><label>ISBN: </label>0859340783 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Printed circuits--EL
<br/><br/><label>Dewey Class. No.: </label>621.38174 PEN