1. Taming of the few—the unequal distribution of greenhouse gas emissions from personal travel in the UK;Brand;Energy Policy,2008
2. Transport Economics;Button,1993
3. CIE, 2009. Personal communication.
4. CSO, 2007. Table 81, Travel to Work, School or College, Census 2006 Volume 12, Central Statistics Office Ireland. Available at 〈http://beyond2020.cso.ie/Census/TableViewer/tableView.aspx?ReportId=18831〉.
5. Reforming Transport Pricing in the European Union—A Modelling Approach;De Borger,2001