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keyword: ÖFOS 2012 -- NATURWISSENSCHAFTEN (1) -- Geowissenschaften (105) -- Sonstige und interdisziplinäre Geowissenschaften (1059) -- Umweltforschung (105904) – 2 free books.

doab These books are included in the Directory of Open Access Books. This means that they have been peer-reviewed and are of interest to scholars.

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