Nicholas, David,  1947- <br/><br/>
Online information sources for business and current affairs :   an evaluation of Textline, NEXIS, Profile, and DIALOG /  
David Nicholas and Gertrud Erbach. 
 - London ;  New York :  Mansell Pub.,  1989. 
 - ix, 297 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0720118786 :  $50.00 (U.S. : est.) 
<br/><br/><label>LCCN: </label>88036405  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems--Business--Handbooks, manuals, etc.<br/>Information storage and retrieval systems--Political science--Handbooks, manuals, etc.<br/>Business--Databases--Handbooks, manuals, etc.<br/>Political science--Databases--Handbooks, manuals, etc.
<br/><br/><label>LC Class. No.: </label>HF 5548.2  / .N46 1989 
<br/><br/><label>Dewey Class. No.: </label>025/.0665