Markowska, Małgorzata. “European Capital Cities and Their Surroundings - Innovativeness Convergence or Divergence?”. Krakow Review of Economics and Management Zeszyty Naukowe Uniwersytetu Ekonomicznego W Krakowie, no. 11(935), Dec. 2015, pp. 79-100, https://doi.org/10.15678/ZNUEK.2014.0935.1105.