Elias , E. P., van der Spek , A. J. and Lazar , M. (2016) “The ‘Voordelta’, the contiguous ebb-tidal deltas in the SW Netherlands: large-scale morphological changes and sediment budget 1965–2013; impacts of large-scale engineering”, Netherlands Journal of Geosciences, 96, pp. 233 -259. doi: 10.1017/njg.2016.37.