Hall, J. L. <br/><br/>
Online bibliographic databases :  a directory and sourcebook / 
James L. Hall, Marjorie J. Brown. 
 - 3a ed. 
 - London :  Detroit, Mich. :  Aslib ;  Distributed exclusively in the USA and Canada by Gale Research Co.,  c1983 
 - xiv, 383 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0810305305 (Gale Research Co.) 9780810305304 (Gale Research Co.) 
<br/><br/><label>LCCN: </label>86641384  
<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/><br/><label>LC Class. No.: </label>Z 699.22  / H177o 1983 
<br/><br/><label>Dewey Class. No.: </label>025.3/13