Henley, J P <br/><br/>
Computer based library and information systems 
by J P Henley 
 - 2 
 - London  Mc Donald & Co.  1972 
<br/><br/><label>ISBN: </label>0356039781 
<br/><br/><label>Dewey Class. No.: </label>020.18 HEN/COM-2