%0 conference paper,conference lecture %@ %A Riethmueller, R.,Hakvoort, H.,Heineke, M.,Heymann, K.,Kuehl, H.,Witte, G. %D 1998 %J Geological Society, Special Publications, Conference on Sedimentary Processes in the Intertidal Zone %N %P 283-293 %T Relating erosion shear stress to tidal flat surface colour %U %X