00525nam a2200157Ia 4500008004100000010001300041020001600054040001700070082002400087100002200111245012100133260002800254300001500282650005500297700001500352190327s9999||||xx |||||||||||||| ||und||  a74-13756  a333-17624-3  aNITILcNITIL  221sta382.01bG885I  aGrubel, Herbert G 0aIntra-industry tradebthe theory and measurement of International trade in differentiated productscHerbert G Grubel  aLondonbMacmillanc1957  axiv, 205p.  aInternational trade; Free trade; Commercial policy  aLloyd, P J