Hall, J. L. <br/><br/>
Online bibliographic databases :  a directory and sourcebook / 
J. L. Hall 
 - London :  Aslib,  1986 
 - 509 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0851422020 :  PND 55.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine-readable bibliographic data--Directories<br/>Information storage and retrieval systems--Directories<br/>Bibliographical services--Directories<br/>Systemes d'information--Repertoires<br/>Recherche documentaire automatisee--Repertoires
<br/><br/><label>Dewey Class. No.: </label>025.04025