000			00400nam a2200145Ia 4500
008			170101s2009 xx 000 0 und d
020			_a9788125004629
100			_aAmutha Jeevakumari S A
245		0	_aData Communication And Networks Elements Of
260			_aHydera Bad _bUniversity Science Press _c2009
300			_a225
650			_aComputer Sceince
650			_aNetworks
942			_2ddc _cBK
999			_c690143 _d690143