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1Almmustuhtton 2000Fáttát “...Rivers Australia Regulation....”
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2
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3Almmustuhtton 1987Fáttát “...Deforestation Amazon River Region Case studies....”
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4Almmustuhtton 2003Fáttát “...Regional planning San Pedro River Watershed (Mexico and Ariz.) Case studies....”
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5
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6
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7