@inbook{Lesthaeghe1989,
author = {Lesthaeghe, R. and Kaufmann, G. and Meekers, D.},
title= {The nuptiality regimes in sub-Saharan Africa},
year = {1989},
editor = {Lesthaeghe, R. },
booktitle = {Reproduction and Social Organization in sub-Saharan Africa},
address = {Berkeley},
publisher = {University of California Press},
pages = {238−337},
}