000
00282nam a2200121Ia 4500
008
180304s9999 xx 000 0 und d
020
_a
9789332518865
100
_a
William Stallings
245
0
_a
Data and Computer Communications
260
_b
Pearson
365
_b
819
942
_c
BK
999
_c
4084
_d
4084