000			00337nam a2200133Ia 4500
008			230220s9999 xx 000 0 und d
041			_aeng
082			_a4.6 _bFOR
100			_aForouzan, B.A _91540242
245			_aData Communications and Networking
250			_a3rd Edi
260			_b Tata Mc Graw hill
650			_aIT _91540243
999			_c1004663 _d1004663