00327nam a2200133Ia 4500008004100000041000800041082001000049100001400059245004100073260004400114300000800158365000800166999001900174231011s9999    xx            000 0 und d  aeng  a658.8  aHBR Press  aHarvard Business Review on Marketing  bHarvard Business Review Press USAc2001  a182  b476  c894154d894154