000 00256nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aForouzan(behrouza)
245 0 _aDATA COMMUNICATION AND NETWORKING
250 _a6
260 _bTMH
942 _2ddc
_cBTECH
999 _c4658
_d4658