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International economics
Peck, H. Austin, (1957)
A geometry of international trade
Meade, James E., (1952)
International trade and economic growth : studies in pure theory
Johnson, Harry G., (1958)
An application of "linear programming" to the transport of coking coal
Land, A. H., (1957)
A problem of assignment with inter-related costs
Land, A. H., (1963)
A note on: `A unified formulation of the machine scheduling problem'
Land, A. H., (1978)