@article{Cheung2005b,
author = {Cheung, S.L.K. and Robine, J.M. and Tu, J.C.E. and Caselli, G.},
title= {Three dimension of the survival curve: Horizontalization, verticalization, and longevity extension},
year = {2005b},
doi = {10.1353/dem.2005.0012},
journal = {Demography},
volume = {42},
number = {2},
pages = {243--258},
}