Penfold, R. A. <br/><br/>
How to design and make your own PCBs 
R.A Penfold,  
 -  c1983. 
<br/><br/><label>ISBN: </label>0859340961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Printed circuits----
<br/><br/><label>Dewey Class. No.: </label>621.38174 PEN