BEINASCO.COM_diagrammi di analisi urbana

http://www.biomapping.net/new.htm (christian nold)

london tube system diagram

http://www.nature.com/nphys/journal/v1/n2/fig_tab/nphys162_F1.html

http://www.iaacblog.com/ismenekoronidi/

http://aa-landscape-urbanism.blogspot.com/