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KOHLI, Martin, KÜNEMUND, Harald, Social Networks, in Ary Lans BOVENBERG, Arthur H. O. VAN SOEST and M. Ashgar ZADI (eds), Ageing, Health and Pensions in Europe: An economic and social policy perspective, Basingstoke, Palgrave Macmillan, 2010, 141-167
- https://hdl.handle.net/1814/26356