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The German Ageing Survey (DEAS) - a longitudinal and time-series study of people in the second half of life [journal article]
Source: Journal of Contextual Economics : Schmollers Jahrbuch, 133 (2013) 1. p.97-108
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Author(s): Engstler, Heribert; Schmiade, Nicole
Source: Journal of Contextual Economics : Schmollers Jahrbuch, 133 (2013) 1. p.97-108
Author(s): Glatzer, Wolfgang.- 2010. 9p.