V. Klímová in V. Žítek, „Identification of Czech Metropolitan Regions: How to improve targeting of innovation policy“, OE, let. 62, št. 1, str. 46–55, jul. 2016, Pridobljeno: sep. 15, 2026. Dostopno na: https://journals.um.si/index.php/oe/article/view/2243