Microsoft <br/><br/>
Microsoft exchange server 5.5 series-concepts and administration workbook: 

 - USA :  Microsoft,  c1997 
 - 119 p. :  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label>--Computer, MIS
<br/><br/><label>Dewey Class. No.: </label>005.112 MIC