1. Akeret Ö, Kühn M (2008) Desiccated plant macrofossils from the medieval castle of Marmorera, Switzerland, with a note on the identification of leaves of Cyperaceae. Environ Archaeol 13:37–50
2. Alsleben A (1991) Archäobotanische Untersuchungen in der Hansestadt Lübeck. Landschaftsentwicklung im städtischen Umfeld und Nahrungswirtschaft während des Mittelalters bis in die frühe Neuzeit. Offa 48:329–362
3. Alsleben A (2007) Food consumption in the Hanseatic towns of Germany. In: Karg S (ed) Medieval food traditions in northern Europe. Publications from the National Museum Studies in Archaeology and History 12, Copenhagen, pp 13–37
4. Bakels C, Jacomet S (2003) Access to luxury foods in Central Europe during the Roman period: the archaeobotanical evidence. World Archaeol 34:542–557
5. Bostock JP, Riley HT (eds) (1993) Pliny the Elder, The natural history, Book XV. The natural history of the fruit-trees. onlinebooks@pobox.upenn.edu