The outcrop of the Menilite Beds in Kobielnik village – it's geoeducational significance and an example of determining structural position based on clastic dykes / Maria BARMUTA, Jan BARMUTA, Jan GOLONKA // W: GEOTOUR'13 & IRSE'13 : international twin conference : strategies of bundling geotourist and geoheritage attractions : IRSE: mining heritage of Central Europe and its protection : 25–27 September 2013, Wrocław, Złoty Stok : book of abstracts / ed. Malwina Kobylańska. — [Polska : s. n.], [2013]. — S. 7–8