000			00305nam a2200133Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_aAlan Simpson
245		0	_aUnderstanding D Base 111 +
250			_a1st Ed.
260			_bBpb Publications _c1993
300			_a408
650			_aComputer
942			_cBK
999			_c8519 _d8519