This article was published in the journal, Urban Design and Planning [© Thomas Telford] and the definitive version is available at: http://www.thomastelford.com/journals/abstract.asp?ArticleID=7227
No takes yet. Share an insight, caveat, or question.
Bosher et al. (2008) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: