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The Portuguese experience of European integration : a quantitative assessment of the effects of EFTA and EEC tariff preferences
Silva, Armindo J. P. da, (1989)
30 Jahre danach : neue Perspektiven für die Beziehungen der EFTA-Staaten zur Europäischen Gemeinschaft
Rack, Reinhard, (1987)
Trade and industrial resources of the common market and EFTA countries : a comparative statistical analysis
Walsh, Arthur E., (1970)