00337nam a2200121Ia 4500008004100000041000800041082001200049100001800061245004500079260004800124300003200172365001100204240624s9999    xx            000 0 und d  aeng  a658 DRU  aDRUCKER PETER  aON THE PROFESSION OF MANAGEMENT A HARVAR  c2005aBostonbHarvard Business School Press  axvii, : 201 : p. : cm. ; 23  cRSb30