000 00234nam a2200097Ia 4500
008 190129s9999 xx 000 0 und d
100 _aDRUCKER (PETER. F)
245 0 _aEFFECTIVE EXECUTIVE
260 _bNOW YORK HARPER
_c2006
942 _cBK
999 _c9739
_d9739