@inbook{Kowalska2008,
author = {Kowalska, I. and Wróblewska, W.},
title= {Intergenerational changes in value systems in Europe},
year = {2008},
editor = {Höhn, Ch.},
editor = {Avramov, D.},
editor = {Kotowska, I.E.},
booktitle = {People, Population Change and Policies: Lessons from the Population Policy Acceptance Study, vol. 1, European Studies of Population},
publisher = {Springer},
pages = {157--175},
}