@book{6168407cc8da467bb0350559c5445acb,
title = "Mixed farming systems in Europe : workshop proceedings, Dronten, The Netherlands, 25-28 May 1998",
keywords = "gemengde landbouw, biologische landbouw, bedrijfssystemenonderzoek, duurzaamheid (sustainability), nederland, proefboerderijen, ge{\"i}ntegreerde bedrijfssystemen, mixed farming, organic farming, farming systems research, sustainability, netherlands, experimental farms, integrated farming systems",
editor = "{van Keulen}, H. and E.A. Lantinga and {van Laar}, H.H.",
year = "1998",
language = "English",
isbn = "9789067545297",
publisher = "Landbouwuniversiteit Wageningen",
number = "nr. 2",
address = "Netherlands",
}