00435nam a2200145Ia 4500008004100000020001500041041000800056082001500064100003100079245007000110260006100180300001600241365000700257650002500264210719s1994    xx            000 0 und d  a0887306667  aeng  a658.8 RIET  aRIES (Al) and TROUT (Jack)  aThe 22 immutable laws of marketing violate them at your own risk.  aUSA.bHarper Business, Harper Collins Publishers.,c1994  axii,143bPB  cRs  aMarketing Management