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Third World mineral development : current issues
Wälde, Thomas W, (1984)
Sustainability and international trade in resources
Klepper, Gernot, (1995)
Raw materials prices remain low
Matthies, Klaus, (1999)
EU-Agrarreform: endlich ein Durchbruch?
Koester, Ulrich, (2003)
Agenda 2000: ausreichende Weichenstellung für die Agrarpolitik
Koester, Ulrich, (1999)
Food Loss and Waste as an Economic and Policy Problem
Koester, Ulrich, (2014)