TY - JOUR A1 - Billari, F.C. A1 - Liefbroer, A.C. A1 - Philipov, D. T1 - The Postponement of Childbearing in Europe: Driving Forces and Implications Y1 - 2006 JF - Vienna Yearbook of Population Research VL - 4 IS - 1 SP - 1 EP - -17 ER -