Frey, Donnalyn,  <br/><br/>
!%@ :: a directory of electronic mail addressings and networks 

 - xix, 640 pages ;   23 cm 
<br/><br/><label>ISBN: </label>1565920465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic mail systems - Directories ; Computer networks - Directories
<br/><br/><label>Dewey Class. No.: </label>384.340257