00449nam a2200169Ia 4500003000400000005001700004008004100021020001800062040000600080041001200086082002000098100004800118245006400166260002500230300001500255440000900270OSt20240913103031.0240126s9999    xx            000 0 und d  a9781847940933  c0  aEnglish  a158.5  FIS;1  R  aFisher, Roger. Ury, William. Patton, Bruce. 0aGetting to yes : negotiating an agreement without giving in  bRandom HouseaLondon  axxvii, 204  aNULL