Online searching :   an introduction /  
W. M. Henry and others. 
 - London :   Butterworths Scientific,   1980. 
 - 209 p. :    ill. ;    23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>On-line bibliographic searching.--------
<br/><br/><label>Dewey Class. No.: </label>029.7 ONL