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2. Björn Stigson (2004) Mobility 2030: meeting the challenges to sustainability. World business council for sustainable development, 2004
3. EU Commission (2011) com(2011) 144 Roadmap to a single European transport area: towards a competitive and resource efficient transport system
4. Association of Radio Industries and Businesses (ARIB) (2001) Dedicated short-range communication system. ARIB STD-T75, 2001
5. Association of Radio Industries and Businesses (ARIB) (2004) DSRC application sub-layer. ARIB STD-T88, 2004