000			00325nam a2200145Ia 4500
008			190201s9999 xx 000 0 und d
082			_a621
082			_b80212
100			_aChakrabarti N.R.
245		0	_aData Book For Machine De
260			_aNew Delhi
260			_bKhanna Publishers
260			_c1984
300			_a720
999			_c21374 _d21374