@inbook{Martelin1996,
author = {Martelin, T.},
title= {Socio-demographic differentials in mortality at older ages in Finland},
year = {1996},
editor = {Caselli, G.},
editor = {Lopez, A.D.},
booktitle = {Health and mortality among elderly populations},
address = {Oxford},
publisher = {Clarendon Press},
pages = {112--134},
}