000			00366nam a2200181Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
082			_a670423
100			_aOgden H.
245		0	_aWorkshop numeracy
260			_aNULL
260			_bPitman
260			_c1984
300			_a141p.
365			_b62.41
650			_aMECHANICAL
942			_cDBK
999			_c16031 _d16031