Armstrong C J <br/><br/>
Keyguide  to information sources in online and CD-ROM database searching   
Armstrong C J; Hartley R J 
 - 2nd 
 - London  Mansell Gt.Brit.           1997 
 - 307 p. 
<br/><br/><label>ISBN: </label>0720122074 
<br/><br/><label>Standard No.: </label>2344 
<br/><br/><label>Source: </label> General Books 
<br/><br/><label>Subjects--Topical Terms: </label><br/> INFORMATION RETRIEVAL<br/>INFORMATION RETRIEVAL
<br/><br/><label>Dewey Class. No.: </label>2:7(D65,8CB), N7 (2D)