TY - CHAP A1 - Murphy, M. A1 - Knudsen, L.B. T1 - The relationship of parents’, brothers’ and sisters’ fertility histories with the onset of childbearing in contemporary Denmark Y1 - 2008 A3 - Festy, P. and Sardon, J.P. T2 - Profession démographe: Hommage à Gérard Calot CY - Paris PB - INED ER -