@inbook{Gustafsson2000,
author = {Gustafsson, S. and Wetzels, C.},
title= {Optimal age at giving birth: Germany, Great Britain, the Netherlands and Sweden},
year = {2000},
editor = {Gustafsson, S.S.},
editor = {Meulders, D.E.},
booktitle = {Gender and the Labor Market. Econometric Evidence on Obstacles in Achieving Gender Equality},
address = {Basingstoke},
publisher = {MacMillan},
pages = {188--209},
}