SIEPAK, Marcin, Marcin FRANKOWSKI, Anetta ZIOŁA,
Karel NOVOTNÝ and Jan PRZYBYŁEK. Identification of the ascent of groundwater from the mesozoic to the neogene layer in Poznan based on determinations of micro- and macro-components. In
Element cycling in the environment: Bioaccumulation - Toxicity – Counteraction. 2007.