Armstrong, C. J. <br/><br/>
Keyguide to information sources in online and CD-ROM database searching / 
 Online and CD-ROM database searching 
C. J. Armstrong and R. J. Hartley. 
 - 2nd ed. 
 - London :  Mansell,  1997. 
 - xxviii, 307 p. ;  24 cm. 
<br/><br/> Rev. ed. of: Keyguide to information sources in online and CD-ROM database searching / John Cox. 1991. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0720122074  RM432.90 
<br/><br/><label>LCCN: </label>96-030568 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Online bibliographic searching--Bibliography.<br/>Database searching--Bibliography.<br/>Information retrieval--Bibliography.