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Variability of track investment with traffic for Class I railroads in the United States
Tolliver, Denver, (2019)
Modernizing U.S. freight rail regulation
Schmalensee, Richard, (2016)
Food vs. fuel? : impacts of petroleum shipments on agricultural prices
Bushnell, James B., (2017)
Deindustrialization of the US Midwest 1965 - 1985
Knudsen, Daniel C., (1990)
Exploring flow system change : US rail freight flows, 1972 - 1981
Knudsen, Daniel C., (1985)
Shift-share analysis: further examination of models for the description of economic change
Knudsen, Daniel C., (2000)