Klaassen, K.; Bormann, H.; Klenke, T.; Liebezeit, G. (2008). "The impact of hydrodynamics and texture on the infiltration of rain and marine waters into sand bank island sediments — Aspects of infiltration and groundwater dynamics". Senckenbergiana Maritima. Springer Science and Business Media LLC. 38 (2): 163–171. आइ॰एस॰एस॰एन॰0080-889X. डीओआइ:10.1007/bf03055293.
Klaassen, K.; Bormann, H.; Klenke, T.; Liebezeit, G. (2008). "The impact of hydrodynamics and texture on the infiltration of rain and marine waters into sand bank island sediments — Aspects of infiltration and groundwater dynamics". Senckenbergiana Maritima. Springer Science and Business Media LLC. 38 (2): 163–171. आइ॰एस॰एस॰एन॰0080-889X. डीओआइ:10.1007/bf03055293.