O'leary, T.J. <br/><br/>
Computers and information systems / 
T.J. O'leary & Brian K. Williams 
 - 2nd ed. 
 - California :  Benjamin/Cummings Pub ,  1989 
 - 687p. :  ill. ;  26 cm. 
<br/><br/>references and index. 
<br/><br/><label>ISBN: </label>0805369422 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer programmes<br/>Information systems<br/>Computers
<br/><br/><label>Dewey Class. No.: </label>510.78  / OLE