000
00273nam a2200121Ia 4500
008
200208s9999 xx 000 0 und d
082
_a
HBR
245
0
_a
Harvard Business Review
245
0
_n
v.49
260
_a
Boston
260
_b
Harvard Business Review
942
_c
BV
999
_c
145495
_d
145495