000			00294nam a2200133Ia 4500
008			200202s9999 xx 000 0 und d
100			_aHarward Buisness Review
245		0	_aCase method ; pt.3.
260			_aBoston
260			_b1974
260			_c1924
650			_aManagement
942			_cB
999			_c11896 _d11896