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La méthodologie de la balance des paiements de lʹUnion Economique Belgo-Luxembourgeoise
Périlleux, Vincent, (1981)
The B.L.E.U. two-tier system's implications for its balance-of-payments structure
Boll, Frank, (1978)
The competitiveness of the Belgo-Luxembourg Economic Union and the Belgian franc.
(1973)
Europe's economic system the next decades
Boll, Frank, (1981)
Monetary policy and dual exchange rates in Belgium
Boll, Frank, (1977)