00341nam a2200133Ia 4500008004100000020001700041041000800058082001400066100002300080245006700103250001000170260001400180300001300194211209s2016    xx            000 0 und d  a978429026812  aeng  a658.8 ZEI  aZEITHAML VALARIE A  aSERVICES MARKETING INTEGRATING CUSTOMER FOCUS ACROSS THE FIRM   a6 ed.  bMGHc2016  aVII, 711