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Boston: MIT, 2012
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Monterey: California. Naval Postgraduate School, 2012
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Reston, Va.: U.S. Department of the Interior, U.S. Geological Survey, 2018
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Washington/D.C: Congressional Research Service, 2013
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Pittsburgh, PA: NETL, 2019
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Reston, Va: U.S. Geological Survey, 2019
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Reston: U.S. Geological Survey, 2020
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Washington/D.C: Congressional Research Service, 2013
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Washington/D.C, 2011 ; Online-Ausg.
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2013
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Brussels, 03/01/2017
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Reston, Va: U.S. Dept. of the Interior, U.S. Geological Survey, 2011
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Berlin: Stiftung Wissenschaft und Politik, [April 2012]
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Reston, Va: U.S. Geological Survey, 2019
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Reston, Va: U.S. Geological Survey, 2019
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Washington/D.C, 2012
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Washington, DC: U.S. Govt. Accountability Office, [2010]
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Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2019
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Reston: U.S. Geological Survey, 2023
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[Verlagsort nicht ermittelbar], september 30, 2022