00271nam a2200109Ia 4500008004100000041001200041100001400053245006800067260000600135650000600141700001400147221030s9999    xx            000 0 und d  aEnglish  aR. Ludlow 4aThe Essence of Effective Communicationcby R. Ludlow, F. Panton  c0  aB  aF. Panton