INHALT Wilhelm J.G. Möhlig: Towards Interdisciplinarity – An Introduction Based on Experiences of the Long-term Project ACACIA Part I Case Studies Following the Accumulation Strategy Olaf Bubenzer / Helga Besler: Sands as Archives of Environmental Change – Examples from Egypt, Sudan and Namibia Frank Förster / Heiko Riemer / Andreas Bolten / Olaf Bubenzer / Stan Hendrickx / Frank Darius: Tracing Linear Structures – Remote Sensing, Landscape Classification and the Archaeology of Desert Roads in the Eastern Sahara Part II Case Studies Following the Discourse Strategy Wilhelm J.G. Möhlig / Frank Seidel / Marc Seifert: The Interdisciplinary Dimension of Linguistic Historiography Friederike Jesse / Reinhard Klein-Arendt: Putting Together Archaeology and Historical Linguistics – The Case of Pottery Eileen Kose / Marc Seifert: The History of Iron Working at the Central Kavango – An Attempt at Interdisciplinary Collaboration Part III Case Studies Following the Amalgamation Strategy Andreas Bolten / Ute Dieckmann: The Use of GIS for Analysing and Visualizing Historical Socio-economic and Ecological Farm Data in the Outjo District/Namibia Gunter Menz / Jochen Richters: Biomass Production in NW-Namibia – A Remote Sensing Modelling Approach Julia Pauli: Demographic and Anthropological Perspectives on Marriage and Reproduction in Namibia