000 00384nam a2200157Ia 4500
008 200202s9999 xx 000 0 und d
082 _a658 Har Pt.4 7.054
100 _aHarvard Business Review .
245 0 _aPlanning series; Pt. 4.
260 _aBoston
260 _bHarvard Business Reveiw.
260 _c1975
300 _a190 p. ill.
650 _aManagement.
942 _cB
999 _c11952
_d11952