R. A. & Penfold, J. W. <br/><br/>
Computer hobbyists handbook 

 - 1st ed. 
 - Bernard babani ltd, London  1989 
 - vi,120 
<br/><br/><label>ISBN: </label>0-85934-196-8 
<br/><br/><label>Dewey Class. No.: </label>001.64 R.A