000
00282nam a2200109Ia 4500
008
190719s9999 xx 000 0 und d
100
_a
Uyless Black
245
0
_a
Computer networks: Protocols, standards & interfaces
250
_a
2nd
260
_a
New Delhi
_b
PHI
_c
2001
942
_c
BK
999
_c
10922
_d
10922