", ETH Zurich, Institute for National, Regional and Local Planning, Chair of Spatial Development, 2002 [http://e-collection.ethbib.ethz.ch/cgi-bin/show.pl?type=inkonf&nr=125]
", ETH Zurich, Institute for National, Regional and Local Planning, Chair of Spatial Development, 2002 [http://e-collection.ethbib.ethz.ch/cgi-bin/show.pl?type=inkonf&nr=125]