Penfold, R. A. <br/><br/>
How to design electronic projects /  [Book]. 
By R. A. Penfold. 
 - London :   Bernard Babani,   1984 
 - 101p. :   ill. ;   18cm 
 - BP ;  127 .
<br/><br/><label>ISBN: </label>085934102X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic apparatus and appliances--Amateurs' manuals.