Kürsten, M. (1994). Natural resources and development. A biannual collection of recent German contributions concerning the exploration and exploitation of natural resources. Vol. 39 ([1st ed.].). Institute for Scientific Co-Operation.
Citácia podle Chicago (17th ed.)Kürsten, Martin. Natural Resources and Development. A Biannual Collection of Recent German Contributions Concerning the Exploration and Exploitation of Natural Resources. Vol. 39. [1st ed.]. Tübingen: Institute for Scientific Co-Operation, 1994.
Citácia podľa MLA (8th ed.)Kürsten, Martin. Natural Resources and Development. A Biannual Collection of Recent German Contributions Concerning the Exploration and Exploitation of Natural Resources. Vol. 39. [1st ed.]. Institute for Scientific Co-Operation, 1994.
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