000			00318nam a2200145Ia 4500
005			20250118020008.0
020			_a8120329694
082			_a621.38215 SIN
100			_aSINGH, B.
245			_aDATA COMMUNICATIONS AND COMPUTER NETWORKS
250			_a2ND
260			_bPHI _c2006
300			_a357
942			_2ddc _cBB _01
999			_c75538 _d75538