Hall, James L. <br/><br/>
Online bibliographic databases :   a directory and sourcebook / 
James L. Hall. 
 - 4th ed. 
 - London :  Aslib,   c 1986. 
 - xv, 509 p. ;  24 cm. 
<br/><br/> Includes Index. 
<br/><br/>333  333 
<br/><br/><label>ISBN: </label>0 85142 202 2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliographic Database.
<br/><br/><label>Dewey Class. No.: </label>010.78058 / H143o