@inbook{Kotowska2004a,
author = {Kotowska, I.E.},
title= {Demographic changes and the future labour market},
year = {2004a},
editor = {Borkowska, S.},
booktitle = {Future of Labour in the 21st Century},
address = {Warsaw},
publisher = {Institute of Labour and Social Affairs, Central Statistical Office},
pages = {115--138},
series = {in Polish},
}