Nestle, Nikolaus, Martin Ebert, Arthur Wunderlich, and Thomas Baumann. “Long-Term Observation of Adsorbed Heavy Metal Ions in Sediment Samples by MRI”. Diffusion Fundamentals 5 (July 3, 2007). Accessed April 10, 2025. https://diffusion.journals.qucosa.de/diffusion/article/view/56.