Skup podataka Grupe Tok aktivnosti Grupe Dataset collections, categories and projects GTN-P Global Terrestrial Network for Permafrost GTN-P is the primary international... Prikaži GTN-P PAGE21 Changing Permafrost in the Arctic and its Global Effects in the 21th Century... Prikaži PAGE21 Properties & Extent Permafrost Research Category Prikaži Properties & Extent