169224document61557Variation in cognitive functioning as a refined approach to comparing aging across countries.pdfapplication/pdff63645bd7663964d207ae9bba4ce08c4MD51654272016-06-09 14:40:08https://pure.iiasa.ac.at/id/eprint/10027/1/Variation%20in%20cognitive%20functioning%20as%20a%20refined%20approach%20to%20comparing%20aging%20across%20countries.pdf