Council regulation (EEC) no. 3835/90 of 20 December 1990 amending regulations (EEC) no. 3831/90, (EEC) no. 3832/90 and (EEC) no. 3833/90 in respect of the system of generalized tariff preferences applied to certain products originating in Bolivia, Colombia, Ecuador and Peru : provisional, unrevised texts : 9 languages - Council of the European Union. (Office for Official Publications of the European Communities, 1996)