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Transportation facilities for developing wood-using industries in Norteastern Minnesota
Carpenter, Eugene M., (1964)
Lumber transport and the Jones Act : a multicommodity spatial equilibrium analysis
Boyd, Roy, (1983)
Metsätöistä Yhdysvaltain länsirannikolla
Heiskanen, Veijo, (1952)
An economic model of direct and indirect effects of tax reform on agriculture
Boyd, Roy, (1988)
Government support of nonindustrial production : the case of private forests
Boyd, Roy, (1984)