Henley, John Patrick <br/><br/>
Computer-based library and information systems / 
by J. P. Henley 
 - 2d ed. 
 - London :  MacDonald,  1972 
 - 106 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>044419584X 
<br/><br/><label>LCCN: </label>71-171221 //r88 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information technology<br/>Libraries--Automation