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Navy:10.3402/tellusa.v64i0.17531
Navy:10.3402/tellusa.v64i0.18039
Navy:10.3402/tellusa.v67.24822
Navy:10.3402/tellusa.v68.30625
Navy:10.3402/tellusa.v68.31110
Navy:10.3402/tellusb.v65i0.19922