Glatzer W, Diewald M. The changing structure of living arrangements and its consequences for social networks and social support. In: van den Heuvel WJA, ed. Opportunities and challenges in an ageing society. Verhandelingen / Koninklijke Nederlandse Akademie van Wetenschappen, Afd. Letterkunde ; N.R., 151. Amsterdam [u.a.]: North Holland; 1992: 61-70