References

1.	VINCENT, Paul (1951), La Mortalité des vieillards. Population, 6 (2)..181-204. Paris.
2.	DEPOID, Françoise (1973), La Mortalité des grands vieillards. Population 28: 755-792. Paris.
3.	KANNISTO, Väinö (1990), Mortality of the elderly in late 19th and early 20th century Finland. Tilastokeskus, Studies 175. 49 pp. Helsinki.

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Updated by V. Castanova, 1 March 1999