Hardinxveld: Two Late Mesolithic/Early Neolithic sites at 6m to 10m below sea level in the Netherlands - Louwe Kooijmans, L. P. 1940- (Recent developments in Wetland research. (Proceedings of a conference held by the Department of Archaeology, University College Dublin and the Wetland Archaeology Research Projekt (WARP) 26th-29th August 1998.)., 2001)