@inbook{Katus2002,
author = {Katus, K. and Puur, A. and Sakkeus, L. },
title= {Immigrant population in Estonia},
year = {2002},
editor = {Haug, W.},
editor = {Compton, P.},
editor = {Courbage, Y.},
booktitle = {The demographic characteristics of of immigrant populations},
address = {Strasbourg},
publisher = {Council of Europe},
pages = {131--192},
}