00405nam a2200133Ia 4500008004100000020001600041040001700057082002400074100001800098245006200116260002800178300001300206650005200219190327s9999||||xx |||||||||||||| ||und||  a333-19433-0  aNITILcNITIL  221sta382.01bG779G  aGray, H Peter 2aA Generalized theory of International tradecH Peter Gray  aLondonbMacmillanc1976  ax, 201p.  aInternatinal trade; Commercial policy; Commerce