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2Geography: roots and continuitiesIn John A. Matthews & David T. Herbert (eds.), Unifying Geography: Common Heritage, Shared Future, Routledge. pp. 3--20. 2004.
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Landscape: The face of geographyIn John A. Matthews & David T. Herbert (eds.), Unifying Geography: Common Heritage, Shared Future, Routledge. pp. 217--223. 2004.