1
Published: 1992
Superior document: IPD-working paper 1992,1
2
Published: 2000
Superior document: Enthalten in Communities and generations ; Ed. by Ron Lesthaeghe. Contributors, John Lievens ... Brussel, 2000 S. [321] - 342 Publications of the Netherlands Interuniversity Demographic Institute (NIDI) and the Population and Family Study Centre (CBGS) ; 36