Gerber, Barry. Mastering Microsoft Exchange 2000 server / Barry Gerber. - Alameda, CA : Sybex Inc., c2001. - xxvi, 949 p. : ill. 23 cm. ISBN: 0782127967 (pbk.) LCCN: 106550 Subjects--Topical Terms: Client/server computing. LC Class. No.: QA76.9.C55 / G4734 2001 Dewey Class. No.: 5.43 / GEM