Online searching :  an introduction / 
W.M. Henry ... [et al.] 
 - London ;  Butterworths Scientific Pub,  1980. 
 - 209 p. : 
<br/><br/><label>ISBN: </label>0408106964 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Online bibliographic searching.
<br/><br/><label>Dewey Class. No.: </label>025.524  / On