000			00315nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c140
040			_aBED
100			_aYadav , K.P.
245		0	_aInformation Technology
260			_bStandard Pub. _aNew Delhi
300			_a366
500			_a3381
942			_cBK
999			_c3381 _d3381