TY - CHAP A1 - Liefbroer, A.C. A1 - Fokkema, T. T1 - Recent developments in demographically relevant attitudes and behaviour: New challenges for a new era? Y1 - 2008 A3 - Surkyn, J. A3 - Deboosere, P. A3 - van Bavel, J. T2 - Demographic challenges for the 21st Century. A state of art in demography CY - Brussels PB - VUBPRESS SP - 115 EP - -141 ER -