00335nam a2200133Ia 4500008004100000020001500041041000800056082001700064100004100081245003700122250000600159260002400165300001200189210716s1991    xx            000 0 und d  a0256086818  aeng  a658.802 LEHD  aLehmann, Donald R; Winer, Russell S.  aAnalysis for marketing planning.  a2  aBostonbIrwinc1991  axiv,186