1. The Flemish diamond: Urban network in the making?;Albrechts;European Planning Studies,2004
2. The network society – The new context for planning;Albrechts,2005
3. A city is not a tree;Alexande,1965
4. Comparing alternative approaches to measuring the geographical accessibility of urban health services: Distance types and aggregation-error issues;Apparicio;International Journal of Health Geographics,2008
5. Regional policy through co-operation: From urban forum to urban network;Arndt;Urban Studies,2000