Eardley, A <br/><br/>
Information Systems 
/by A Eardley et al 
 - London  Longman group UK Limited  1989 
 - xvii, 436p. 
<br/><br/><label>ISBN: </label>0851214916 
<br/><br/><label>Dewey Class. No.: </label>001.5  / EAR/I