000
00255nam a2200109Ia 4500
008
220201s2000 xx 000 0 eng d
100
_a
BALASUBRAMANIAN, D.
245
0
_a
FIRE WALS & ENCRYPTION
260
_a
DELHI
_b
TMH
_c
2000
300
_a
76
942
_2
ddc
999
_c
68018
_d
68018