@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}, volume = {S3}, number = {3}, pages = {45--86}, }