000			00321nam a2200145Ia 4500
008			221231s9999 xx 000 0 und d
100			_aHarvard business _9486
245		0	_aEntrepreneur's toolkit
260			_aBoston
260			_b256
260			_c2004
300			_a165
650			_aMathematics _9487
942			_cMBA_BK
999			_c223 _d223