TY - CHAP A1 - Kahanec, M. A1 - Zimmermann, K.F. T1 - Migration in an enlarged EU: A challenging solution? Y1 - 2010 DO - 10.1007/978-3-642-12516-4_5 A3 - Keereman, F. A3 - Szekely, I. T2 - Five years of an enlarged EU CY - Berlin PB - Springer ER -