Eardley, A. <br/><br/>
Information systems / 
A. Eardley, D. V. Marshall and R. T. Ritchie. 
 - Harlow :  Longman in co-operation with the Chartered Association of Certified Accountants,  1989. 
 - xvii, 436 p. ;  30 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0851214916 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems.
<br/><br/><label>Subjects--Index Terms: </label>Information systems