1. European Spatial Development Perspective. Towards Balanced and Sustainable Development of the Territory of the European Union. http://ec.europa.eu/regional_policy/sources/docoffic/official/reports/pdf/sum_en.pdf
2. Council of Europe Conference of Ministers Responsible for Spatial/Regional Planning. http://www.coe.int/t/dgap/localdemocracy/cemat/default_en.asp
3. European Landscape Convention. https://rm.coe.int/CoERMPublicCommonSearchServices/DisplayDCTMContent?documentId=09000016802f3fc0
4. National Spatial Development Concept 2030 Poland. Ministry of Regional Development. Warsaw, 2012. http://www.esponontheroad.eu/dane/web_espon_library_files/682/national_spatial_development_concept_2030_summary.pdf
5. Spatial development policy of the Czech Republic. Ministry for Regional Development of the Czech Republic. http://www.mmr.cz/getmedia/d4c83328-afac-41ca-a6a3-78b6082ab805/2008_XII_17-PUR_2006_ENG.pdf?ext=.pdf