1. Europe: One Continent, Different Worlds. Population Scenarios for the 21th Century,1999
2. World Population in Transition. An Integrated Regional Modelling Framework;Hilderink,2000
3. Vienna Yearbook of Population Reseach,2003
4. PROFILE: Population Research in the Netherlands;Wissen;Public Serv. Rev. Eur. Union,2013
5. The Advanced Theory of Statistics; Vol. II, Inference and Relationship;Kendall,1973