000			00422nam a22001457a 4500
020			_a978-81-317-0930-6
082			_223rd. _a004.6
100			_aTomasi, Wayne
245			_aIntroduction to data communications and networking _cWayne Tomasi
260			_aNew Delhi _bPearson _c2011
300			_aiv,985p.:ill; _c26cm.
650			_aData transmission systems
650			_aComputer networks
856			_uwww.pearsoned.co.in
999			_c158247 _d158247