Die (9) Pollen (8) Polen (8) Pollen (8) Mark, German (7) Climatology (7) Climate (7) Climat (7) Climat (7) Deutsche Mark (7) Spruce (6) Collectivité territoriale (6) Épicéas (6) région (6) Technical literature (5) Forests and forestry (5) Communication of technical information (5) Communication in science (5) Voie urbaine (5) Information technique (5) Documentation technique (5) Sud (point cardinal) (5) Information scientifique (5) Forêts (5) Oder (5) Plants (4) North (The word) (4) Cold (4) Frío (4) Index bispectral (4)