@article{Surkyn2004,
author = {Surkyn, J. and Lesthaeghe, R.},
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},
URL = {http://www.demographic-research.org},
journal = {Demographic Research},
volume = {SC3},
number = {3},
}