1. Aaby B, Berglund BE (1986) Characterization of peat and lake deposits. In: Berglund BE (ed) Handbook of holocene palaeoecology and palaeohydrology. Wiley, Chichester, pp 231–246
2. Andersen ST (1979) Identification of wild grass and cereal pollen. Danmarks Geologiske Undersøgelse Årbog 1978:69–92
3. Arnalds Ó, Þorarinsdóttir EF, Metúsalemsson S, Jónsson Á, Grétarsson E, Árnason Á (2001) Soil erosion in Iceland. Soil Conservation Service and the Agricultural Research Institute, Iceland
4. Aston M (2000) Monasteries in the landscape. Tempus, Stroud
5. Berglund BE (1985) Early agriculture in scandinavia: research problems related to pollen-analytical studies. Nor Archaeol Rev 18:77–90