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Vorübergehend schwache Nachfrage nach Baustoffen macht langfristige Rohstoffsicherung nicht überflüssig
Wettig, Eberhard, (1997)
An introduction to mineral economics
Campbell, Harry F., (1999)
Rohstoffrisikobewertung - Zink
Dorner, Ulrike, (2015)
State ownership and the price sensitivity of supply : The case of the copper mining industry
Markowski, Aleksander, (1987)
State mineral enterprises : an investigation into their impact on internatational mineral markets
Radetzki, Marian, (1985)
International commodity market arrangements : a study of the effects of post war commodity agreements and compensatory finance schemes
Radetzki, Marian, (1970)