1. Beard, M. (1991). Constraints on rule formation. In B. P. Buttenfield, & R. B. McMaster (Eds.), Map generalization: Making rules for knowledge representation (pp. 121–135). Addison-Wesley Longman.
2. CartouCHe. (2012). 1.3. Cartographic representation rules for topographic maps . (ETH Zurich – Institute of Cartography and Geoinformation). Cartography for Swiss Higher Education. http://www.e-cartouche.ch/content_reg/cartouche/cartdesign/en/html/unit_TopMaps.html.
3. CUZK. (2015). Czech Republic – Comparative list of map symbols essential medium-scale maps. (B. m. the Ed.) Retrieved 2022 from Geoportal ČÚZK: https://geoportal.cuzk.cz/(S(nxjtbxgbd5jtm2ujjnogdxr1))/Dokumenty/znacky_srovnavaci.pdf.
4. CUZK. (2020a). Data 10: Map symbols catalogue for cartographic information system (in Czech). ČÚZK.
5. CUZK. (2020b). Zabaged feature catalougue (in Czech). Česká republika: ČÚZK – Zeměměřický úřad. https://geoportal.cuzk.cz/Dokumenty/KATALOG_OBJEKTU_ZABAGED_2020.pdf.