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The economic distribution of coal supplies in the gas industry : an application of the linear programming transport problem
Berrisford, H. G., (1960)
Récents progrès dans le transport et la distribution du charbon dans le Royaume-Uni
Schumacher, M. E. F., (1968)
Regulation of transport innovation : the ICC and unit coal trains to the East Coast
MacAvoy, Paul W., (1967)