00251nam a2200109Ia 4500008004100000020001800041100001200059245003600071250001200107260001400119300000800133160921s9999    xx            000 0 und d  a0-07-048633-6  aCOHEN S  aNEGOTIATING SKILLS FOR MANAGERS  a6th Rep  bTMHc2006  a200