Dr. Ida Musiałkowska published an article "Enlargements of the European Union", which was just released in the  Cuadernos Europeos de Deusto issued by the Instituto de Estudios Europeos of the University of Deusto in Bilbao. The whole issue "Número 50. Dedicado a: 25º aniversario (1988-2013). Grandes hitos de la construcción europea" is devoted to the greatest achievements and hits of European integration.
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