Frey, Donnalyn <br/><br/>
A directory of electronic mail   addressing and networks 
Donnalyn Frey 
 - 2nd ed. 
 - Sebastopol  O'Reilly  1990 
 - xvi,420p. 
<br/><br/><label>ISBN: </label>0937175153 
<br/><br/><label>Dewey Class. No.: </label>004.692 F897P -2