TY  - BOOK
AU  -  Valkenburgh ,Jason Van; Patrick Grote -
TI  - SAMS Teach Yourself Microsoft Exchange Server 5.5 in 21 days 
SN  - 81-7635-266-7
PY  - 1999///
CY  - New Delhi
KW  - Computer Science
KW  - Computer science, information & general works
ER  -