00451nam a2200145Ia 4500008004100000020001500041041000800056082001700064100002000081245014700101250000600248260002600254300001100280650001400291210716s1992    xx            000 0 und d  a1556236050  aeng  a658.812 VAVT  aVavra, Terry G.  aAftermarketing: how to keep customers for life through relationship marketing.bHow to keep customers for life through relationship marketing.  a1  aNew YorkbIrwinc1992  axv,292  aMarketing