00320nam a2200121Ia 4500008004100000041000800041100001300049245005700062260004400119300000800163365000800171999001900179231011s9999    xx            000 0 und d  aeng  aHB Press  aHarvard Business Review on Business Model Innovation  bHarvard Business Review Press USAc2010  a207  b476  c894159d894159