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Repeat Purchase and Switching Probabilities in the International Wheat Trade
Wilson, William W., (1990)
RECIPROCAL ACCESS IN U.S./CANADIAN GRAIN TRADE: BACKGROUND ISSUES FOR THE U.S. GRAIN TRADE
Wilson, William W., (1998)
U.S. GRAIN HANDLING AND TRANSPORTATION SYSTEM: FACTORS CONTRIBUTING TO THE DYNAMIC CHANGES IN THE 1980S AND 1990S