1. 1. Kryza, R. (2008). The Variscan Kaczawa Complex: fi tness od Palaeozoic basin Variscan orogeny. Geoeducational potential of the Sudety Mts. University of Wrocław, Poland. Available from: http://geopark.org.pl/Rozne/geoeducationalpotential.pdf.
2. 2. Lapidus, D. F., Winstanley, I., MacDonald, J., & Burton, C. (2006). Geology. London: HarperCollins.
3. 3. Stevens, J. G., Khasanov, A. M., Miller, J. W., Pollak, H., & Li, Z. (2005). Mössbauer mineral handbook. Asheville, NC, USA: Mössbauer Effect Data Center, University of North Carolina. Available from https://www.mtholyoke.edu/courses/mdyar/data/Mineral-Handbook.pdf.
4. 4. Bolewski, A. (1982). Mineralogia szczegółowa. Warszawa: Wydawnictwo Geologiczne.
5. 5. Komraus, J. L., Adamczyk, Z., Popiel, E. S., & Malczewski, D. (1996). Identifi cation of ferruginous minerals in basalt from Kaczawa Mountains Region by Mössbauer spectroscopy. In: All-Polish Seminar on Mössbauer Spectroscopy, 27-29 May 1996, Lublin, Poland (pp. 51-56).