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The impact of trade policy on exports in oil rich countries : the cases of Ecuador and Trinidad & Tobago
Smith, Bryant D., (1975)
Cyclical fluctuations in the exports of the United States since 1879
Mintz, Ilse, (1967)
Soviet international trade in Heckscher-Ohlin perspective : an input-output study
Rosefielde, Steven, (1973)
The transport revolution in Asia
Watkins, Ralph James, (1970)
Transportation and National Policy : May, 1942
Watkins, Ralph James, (1942)
Directory of selected scientific institutions in Mainland China