000			00464nam a2200181Ia 4500
008			201023s9999||||xx |||||||||||||| ||und||
020			_a978-0-07-061682-0
100			_aISRD
245		0	_aData communication and computer networks
250			_a4th
260			_aNew Delhi _bTata McGraw Hill _c2008
300			_a340
365			_b235
650			_aComputer Science.
942			_cTB
999			_c1349 _d1349