TY - CHAP A1 - Billari, F. T1 - The transition to parenthood in European societies Y1 - 2005 A3 - Hantrais, L. A3 - Philipov, D. A3 - Billari, F.C. T2 - Policy implications of changing family formation, Population Studies 49 CY - Strasbourg PB - Council of Europe Publishing SP - 63 EP - -116 ER -