Progress in old world palaeoethnobotany : a retrospective view on the occasion of 20 years of the International Work Group for Palaeoethnobotany / ed. by Willem van Zeist, Krystyna Wasylikowa & Karl-Ernst Behre ; with the assistance of Geertje Entjes-NieborgMan's role in the shaping of the Eastern Mediterranean landscape / ed. by S. Bottema, G. Entjes-Nieborg & W. van Zeist