Matthias Zürker, Kaiserslautern 2004, ISBN 3-933103-20-7 (Vergriffen)
Band 10: Promotion of regional development trough inter-regional co-operation with the Accession Countries of the Enlargement of the European Union
Matthias Zürker, Kaiserslautern 2004, ISBN 3-933103-20-7 (Vergriffen)