@inbook{Oeppen2006, author = {Oeppen, J.}, title= {Life expectancy convergence among nations since 1820: Separating the effects of technology and income}, year = {2006}, editor = {Bengtsson, T.}, booktitle = {Perspectives on mortality forecasting III. The linear rise in life expectancy: History and prospects}, publisher = {Social Insurance Studies No.3, Swedish Social Insurance Agency}, pages = {55--82}, }