00395nam a2200145Ia 4500008004100000020001500041041000800056082001500064100002100079245005400100250000600154260004100160300001300201650003500214210716s1974    xx            000 0 und d  a0256015724  aeng  a519.5 MASR  aMason, Robert D.  aStatistical techniques in business and economics.  a3  aHomewoodbRichard D Irwin, Incc1974  axvii,649  aStatistical Mathematics(519.5)