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Kanada : Blei, Zink
Wagner, Hermann, (1975)
Blei und Zink
Berg, Georg, (1950)
Mineralische Rohstoffe im Wandel : e. Beitr. zur Entwicklung von Bergbauinvestitionen u. zum Nachfrageverhalten
Lechner, H., (1987)
Removing Barriers to Facilitate Efficient Water Markets in the Murray Darling Basin – A Case Study from Australia
Qureshi, M Ejaz, (2009)
Stakeholder objective preferences in Australian Commonwealth managed fisheries
Pascoe, Sean, (2009)
Encouraging Revegetation in Australia with a Groundwater Recharge Credit Scheme
Proctor, Wendy, (2007)