@inbook{Lesthaeghe1986,
author = {Lesthaeghe, R.  and Van de Kaa, D. },
title= {Twee demografische transities?},
year = {1986},
editor = {Lesthaeghe, R. },
editor = {Van de Kaa, D. },
booktitle = {Bevolking: Groei en Krimp},
address = {Deventer},
publisher = {Van Loghum-Slaterus},
pages = {9--24},
}