Hey, Christian (1996): The Incorporation of the Environmental Dimension into the Transport Policies in the EU. Short Version of the EU-Study. Freiburg. 36 S. / PDF-EN
dp50 – The Incorporation of the Environmental Dimension into the Transport Policies in the EU
- dp49 – Die Umsetzung von kommunalen Fremdenverkehrskonzepten in Baden-Württemberg
- dp51 – Internalization of External Effects of Road Freight Transport in the EU 1987-1995