@article{Lesthaeghe2004,
author = {Lesthaeghe, R. and Surkyn, J.},
title= {Value Orientations and the Second Demographic Transition (SDT) in Northern, Western and Southern Europe: An Update},
year = {2004},
doi = {10.4054/DemRes.2004.S3.3},
journal = {Demographic Research},
volume = {SC 3},
pages = {45--86},
}