Kasprzak, Agata, Jacek Motyka, and Marta Wardas-Lasoń. “Changes in the Chemical Composition of Groundwater in Quaternary Aquifer in Old Krakow, Poland (years 2002-2012)”.
Geology, Geophysics and Environment 39, no. 2 (June 4, 2013): 143. Accessed March 13, 2025.
https://journals.agh.edu.pl/geol/article/view/508.