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2. Relationships between diatom assemblages in lake surface-sediments and limnological characteristics in southern Norway;Anderson,1986
3. Palaeolimnological evidence for the recent acidification of Loch Fleet, Galloway;Anderson,1986
4. Lake Gårdsjön: An Acid Forest Lake and Its Catchment,1985
5. Climatic calibration of pollen data: An example and annotated computing instructions;Arigo,1986