00345nam a2200121Ia 4500082002100000100003400021245003900055260003500094300001400129490004700143500000500190700002800195  a338.528bF533.ET  aFisher, F. M. and Shell, Karl  aEconomic theory of price indicesb  aNew YorkbAcademic Pressc1972  axv, 117p.  aEconomic theory and Mathematical Economics  a  aShell, Karl ; jt. auth.