Penfold, R. A. <br/><br/>
Micro interfacing circuits /  [Book]. 
by R.A. Penfold. Bk.2.  
 - London :   Babani,   1984. 
 - 87p. :   ill. ;   18cm. 
 - BP ;  131 .
<br/><br/><label>ISBN: </label>0859341062 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer interfaces.<br/>Microcomputers.