parfett, M. C. <br/><br/>
On-line database and electronic mail systems 1987  [Books]. 
The 
 - Manchester  The National Computing Centre  1986 
 - Pages: 329 
 - Interconnecting applications handbook .
<br/><br/><label>ISBN: </label>0850126568  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Electronic mail systems -- Directories<br/>Information Services -- Directories<br/>Online data processing -- Directories.
<br/><br/><label>Dewey Class. No.: </label>Z/674.3  / ONL