TY - CHAP A1 - Billari, F.C. A1 - Philipov, D. A1 - Liefbroer, A.C. T1 - The postponement of childbearing in Europe: driving forces and implications Y1 - 2006 DO - 10.1553/populationyearbook2006s1 T2 - Vienna Yearbook of Population Research SP - 1 EP - -17 ER -