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International coal trade : the evolution of a global market
Cameron, John, (1997)
Energiestudie ... Reserven, Ressourcen und Verfügbarkeit von Energierohstoffen
(2016)
"Reserves" as a leading indicator to future mineral production
Van Rensburg, William C. J., (1975)
A Dynamic Optimization Model of Depletable Resources
Modiano, Eduardo M., (1980)
Modeling the supply chain
Shapiro, Jeremy F., (2001)
Shapiro, Jeremy F., (2007)