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Leitfaden Risikoanalyse bei den Zollkontrollen
Eurotoll : European research project for toll effects and pricing strategies
(1999)
Tariffs and growth : some illustrations from the world economy, 1850-1940
Capie, Forrest, (1994)
Soziale Sicherung und Weltinflation
Grubel, Herbert G., (1974)
Forward exchange, speculation, and the international flow of capital
Grubel, Herbert G., (1966)
Domestic origins of the monetary approach to the balance of payments
Grubel, Herbert G., (1976)