. . . . . . . . . . . . . . . . . . . . . . "Environmental policies and their trade implications for developing countries, with special reference to fish and shellfish, fruit and vegetables : study" . . . . . . . . . . "NON-TARIFF BARRIERS." . . "STANDARDS." . . "MARKET ACCESS." . . "ENVIRONMENTAL POLICY." . . "SHELLFISH." . . . . "VEGETABLES." . . "FISH." . . "QUALITY CONTROL." . . "INTERNATIONAL TRADE." . . "FRUIT." . .