00247nam a2200109Ia 4500082002000000100002000020245002300040260004800063300001600111500000500127700000500132  a330.1bSh524.EQ  aShackle, G.L.S.  aEconomic queristb  aCambridgebCambridge University Pressc1973  aviii, 135p.  a  a