@inproceedings{Lesthaeghe2004,
author = {Lesthaeghe, R. and Surkyn, J.},
title= {When history moves on: The foundations and diffusion of a second demographic transition},
year = {2004},
URL = {http://sdt.psc.isr.umich.edu/pubs/online/WhenHistoryMovesOn_final.pdf},
address = {Population Studies Center, Institute for Social Research (ISR), University of Michigan, Ann Arbor},
}