00281nam a2200109Ia 4500008004100000041000800041100002300049245004300072260002000115650001500135999002100150240109s9999    xx            000 0 und d  aeng  aHersey  Blanchard.  aManagement Of Organizational Behaiour.  bPrentice Hall.   aManagement  c1019869d1019869