@book{e6aa26a969fa4899bb4a55a109fb290f,
title = "Land productivity and agro-systems in the North Sea Area (Middle Ages - 20th century). Elements for comparison",
keywords = "Specialized histories (international relations, law), Literary theory, analysis and criticism, Culturele activiteiten, Overig maatschappelijk onderzoek",
author = "{van Bavel}, B.J.P. and E. Thoen",
year = "1999",
language = "Undefined/Unknown",
volume = "2",
publisher = "Brepols",
address = "Belgium",
edition = "CORN publicaties series",
}