000
00256nam a2200109Ia 4500
008
170101s2017 xx 000 0 und d
100
_a
TOMASI
245
0
_a
DATA COMMUNICATIONS & NETWORKS
260
_a
550
_b
PEARSON
650
_a
CSE
942
_2
ddc
_c
BK
_0
3
999
_c
173049
_d
173049