00273nam a2200109Ia 4500082002100000100002200021245004500043260004800088300001700136500000500153700000500158  a658.834bIr71.NC  aIronnonger, D. S.  aNew commodities and consumer behaviourb  aCambridgebCambridge University Pressc1972  axviii, 200p.  a  a