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Zwei Welten? Oder zwanzig? : Gedanken über Währungen u. Zahlungsbilanzen d. westl. Welt
Crowther, Geoffrey, (1957)
Monetary interdependence and international monetary reform : a European case study
De Grauwe, Paul, (1976)
Europe and the evolution of the international monetary system : proceedings of the First Conference of the International Center for Monetary and Banking Studies
Swoboda, Alexander K., (1973)
Industrial materials : past, present and future
Ray, George F., (1983)
Long-term prospects for industrial materials
Ray, George Frank, (1991)
The diffusion of technology in Finland
Ray, George Frank, (1988)