000			00374nam a2200157Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a5 _bST-D
100			_aStallings,William
245		0	_aData and computer communications
250			_a2nd Ed.
260			_c2007 _aNew Delhi _bPearson
300			_a855
650			_aComputer Engineering
942			_cBK
999			_c4582 _d4582