000			00351nam a2200133Ia 4500
008			170101s2011 xx 000 0 und d
100			_aSharma K K
245		0	_aData Communication Elements Of
260			_aNew Delhi _bS K Kataria And Sons _c2011
300			_a393
650			_aComputer Science
650			_aData Communications
942			_2ddc _cBK
999			_c611793 _d611793