Koniarz, Tomasz, et al. “Geochemistry Indices and Biotests As Useful Tools in the Assessment of the Degree of Sediment Contamination by Metals”. Geology, Geophysics and Environment, vol. 49, no. 1, Feb. 2023, pp. 5-18, https://doi.org/10.7494/geol.2023.49.1.5.