000 00254nam a2200097Ia 4500
008 170501s9999 xx 000 0 und d
100 _a"Gallo, Michael A"
245 _aComputer Communication and Networking
250 _a-
260 _bCengage Learning
_aN.Delhi
_c2010
300 _a637
999 _c24751
_d24751