[26] Werkdocument van de ESRC, Economic and social research council, Sussex European Institute "Regional Deficit in Eastward Enlargement of the European Union: Top down policies and bottom up reactions", 2001.
2.2.4. [26] Document de travail ESRC, Economic and social research council, Sussex European Institute « Regional Deficit in Eastward Enlargement of the European Union : Top down policies and bottom up reactions », 2001.