00534nam a2200157Ia 4500008004100000082001900041100006900060245004500129260004800174300001700222365003000239366000800269530000900277630004500286730004500331100315s9999    xx            000 0 und d  b136 a338.5   a"COLBERG, MARSHALL R. FORBUSH, DASCOMB R. WHITAKER, GILBERT R. "  aBUSINESS ECONOMICS: PRINCIPLES AND CASES  aCHARD D.IRWIN bRICHARD D.IRWIN  c1970   a"XI,601P  "  eAus.Sch. d1 b100.00   f0   b-    aBUSINESS ECONOMICS: PRINCIPLES AND CASES  aBUSINESS ECONOMICS: PRINCIPLES AND CASES