The Impact of Bioturbation by Small Mammals on Heavy Metal Redistribution in an Embanked Floodplain of the River Rhine - Sander Wijnhoven; Ivo Thonon; Gerard Van Der Velde; Rob Leuven; Mathilde Zorn; Herman Eijsackers; Toine Smits (Water, Air, & Soil Pollution, 2006)

The effect of Lumbricus rubellus and Lumbricus terrestris on zinc distribution and availability in artificial soil columns - Mathilde I. Zorn; Cornelis A. M. Van Gestel; Herman Eijsackers (Biology and Fertility of Soils, 2005)