000 00438nam a2200145Ia 4500
008 100324s9999 xx 000 0 und d
100 _aZeithmal, Valerie A; Parasuraman; Berry, L.I
245 _aDelivering quality service: balancing customer perceptions & expectations
260 _c1990
_bFree Press
_aNew York
366 _b1990
520 _aACME
650 _aMarketing
942 _cBK
999 _c82488
_d82488