@article{Surkyn2002,
author = {Surkyn, J. and Lesthaeghe, R.},
title= {Value orientations and the second demographic transition (SDT) in Northern, Western and Southern Europe: An update},
year = {2002},
doi = {10.4054/DemRes.2004.S3.3},
journal = {Demographic Research},
volume = {S3},
pages = {45--86},
}