Penfold, R. A. <br/><br/>
How to design and make your own PCBs /  [Book]. 
by R.A. Penfold. 
 - London :   Bernard Babani (publishing) Ltd,   1983 
 - 66p. :   ill. ;   18cm. 
<br/><br/><label>ISBN: </label>0859340961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Printed circuits--Design and construction.