Online searching :   principles and practice /  
R. J. Hartley ... [et al.] 
 - London :   Bower.Saur,   1990 
 - xvii, 387 p. ;    22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0408022906 
<br/><br/><label>Subjects--Topical Terms: </label><br/>On-line bibliographic searching.--------<br/>Data-base searching.--------
<br/><br/><label>Dewey Class. No.: </label>025.3