@inbook{Gisser2019,
author = {Gisser, R. and Ediev, D. M.},
title= {Having ancestors alive: Trends and prospects in ageing Europe},
year = {2019},
editor = {Schoen, R.},
booktitle = {Analytical family demography},
publisher = {Cham: Springer},
pages = {241--274},
}