Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Save this search Download search results Subscribe to news feed Your filters: cql: parent exact "Proceedings of the 10th Dutch-German-Belgian Seminar on Economic Georgraphy: new th... Add to list Conference Paper C1 Connectivity in an urban network: an empirical analysis based on air passenger flows between European cities Nathalie Van Nuffel (UGent) , Pieter Saey (UGent) , Ben Derudder (UGent) , Lomme Devriendt (UGent) and Frank Witlox (UGent) (2007) Proceedings of the 10th Dutch-German-Belgian Seminar on Economic Georgraphy: new theories and methods in economic geography.