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008 220709s9999 xx 000 0 und d
082 _a0
_bCHR
100 _aCHRISTENSEN CLAYTON M.
245 0 _aINNOVATOR S SOLUTION
250 _a1
260 _bHARDWARD BUSINESS SCHOOL
300 _a0
942 _cBK
999 _c80680
_d80680