000
00326nam a2200133Ia 4500
008
190711s9999 xx 000 0 und d
020
_a
81203010195
082
_a
621.38195404 S775
100
_a
STALLINGS,W
245
0
_a
DATA COMPUTER COMMUNICATIONS
260
_a
NEW DELHI
_b
PHI
_c
1996
300
_a
24X18
942
_c
BK
_2
DDC
999
_c
25133
_d
25133