00955nam0 2200265 450 00002151220090114123832.020090114d1969----km-y0itay50------baengNLy-------001yy<<A >>contribution to the general equilibrium theory of preferential tradingby Murray C. KempAmsterdam1969147 p.23 cmContributions to economic analysis612001Contributions to economic analysis<<A >>contribution to the general equilibrium theory of preferential trading46451Unioni doganaliCommercio internazionaleKemp,Murray Chilvers568882ITUNIPARTHENOPE20090114RICAUNIMARC000021512021/73153NAVA22009Contribution to the general equilibrium theory of preferential trading46451UNIPARTHENOPE