00338nam a2200109Ia 4500008004100000020001800041040002900059050002400088100001800112245006700130260003100197221221s9999    xx            000 0 und d  a0-8213-5148-6  cChuka University Library  aHD 9980.5bZ45 2006  aZeithamic,V.A 0aServices markerting:integrating customer focus across the firm  aMc graw hillbBostonc2006