Today 2016, 32, 1–3. [CrossRef] 38. Baycan-Levent, T.; Ahu Gülümser Akgün, A.; Kundak, S. Success Conditions for Urban Networks: Eurocities and Sister Cities. Eur. Plan. Stud. 2010, 18, 1187–1206. [CrossRef] 39. Payre, R. The Importance of Being Connected. City Networks ...