Hall, James L.  - <br/><br/>
Online bibliographic databases  a directory & sourcebook 

 - 4 
 - London  Slib  1986 
 - xv,509 
<br/><br/>Includes 
<br/><br/><label>ISBN: </label>0851422022 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems directories On-line bibliographic searching-directories. 
<br/><br/><label>Dewey Class. No.: </label>025.04025/H177o