Bibliografie

Dejongh G. Arable productivity in Flanders and the former territory of Belgium in a long-term perspective (from the Middle Ages to the end of the Ancien RĂ©gime. In: van Bavel BJP, Thoen E. Land productivity and agro-systems in the North Sea area (Middle Ages - 20th century). Elements for Comparison. Turnhout: Brepols; 1999. pp. 30-64.