@inbook{Lesthaeghe2010,
author = {Lesthaeghe, R.},
title= {The second demographic transition: A concise overview of its development},
year = {2010},
editor = {United Nations},
booktitle = {Proceedings of the United Nations expert group meeting on population distribution, urbanization, internal migration and development},
address = {New York},
publisher = {United Nations},
pages = {81--102},
}