000			00329nam a2200133Ia 4500
999			_c23983 _d23983
008			190711s9999 xx 000 0 und d
020			_a817029018X
082			_a621.3819642 S844
100			_aStevens, Al
245		0	_aC Data Base Development
260			_aNew Delhi _bBPB Publications _c1989
300			_a22X15
942			_cBK