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3. eLogistics Guide Dormund (2010) Fraunhofer Institute for material flow and logistics, last visited on 26.07.2010 available at eLogistics Guide Dormund, 2010
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5. European Commission (2007) Freight logistics action plan, communication from the commission, Brussels XXX, COM (2007) yyy, in http://ec.europa.eu/transport/logistics/freight_logistics_action_plan/doc/action_plan/2007_com_logistics_action_plan_en.pdf , last visited on 16-08-2010