00310nam a2200121Ia 4500008004100000041000800041082001300049100001400062245005200076260004400128300000800172365000800180231011s9999    xx            000 0 und d  aeng  a658.4092  aHBR Press  aHarvard Business Review on the test of a Leader  bHarvard Business Review Press USAc2007  a195  b476