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The significance for world trade of variability in grain imports by the USSR and China
Raup, Philip M., (1989)
Central planners as market stabilizers : evidence from Poland and the Soviet Union
Brada, Josef C., (1992)
Russian railways and the seaborne grain export trade : 1883 - 1911
Gulley, Harold E., (1988)
An application of optimal control theory to agricultural policy analysis
Ennew, C. T., (1990)
Price instability and commodity futures markets
Morgan, C. W., (1994)
EFFICIENCY TESTS OF FUTURES MARKETS FOR UK AGRICULTURAL COMMODITIES
Aulton, A. J., (1997)