@inbook{Katus2000,
author = {Katus, K. and Puur, A. and Sakkeus, L. },
title= {The demographic characteristics of national minorities in Estonia},
year = {2000},
editor = {Haug, W.},
editor = {Compton, P.},
editor = {Courbage, Y.},
booktitle = {The demographic characteristics of national minorities in certain European states},
address = {Strasbourg},
publisher = {Council of Europe},
pages = {29--92},
}