000 00293nam a2200133Ia 4500
008 221102s9999 xx 000 0 und d
082 _a658 HBR
100 _aHBR
245 0 _aInnovation
250 _a5th ed
260 _bHarvard Business Review
_aUSA
_c1993
300 _a101p p.
942 _cBK
999 _c798
_d798