Sobotka, J., and M. Farbisz-Michałek. “A Geological Interpretation of Geophysical Self-Potential Anomalies in the Radzimowice Ore District, Sudetes, South-Western Poland”. Geology, Geophysics and Environment, vol. 42, no. 4, May 2017, p. 475, doi:10.7494/geol.2016.42.4.475.