000 00304nam a2200121Ia 4500
008 220408s1985 xx 000 0 und d
041 _aeng
082 _a658.4
_b Dru
100 _aDrucker, Peter F
_9485597
245 _aThe Effective Executive
260 _aUSA
_b Harper Business
_c1985
300 _a178p
999 _c347799
_d347799