@inbook{van de Walle1994,
author = {van de Walle, E.  and Meekers, D.},
title= {Marriage drinks and kola nuts},
year = {1994},
editor = {Bledsoe, C.},
editor = {Pison, G.},
booktitle = {Nuptiality in Sub-Saharan Africa: Contemporary anthropological and demographic perspectives},
address = {Oxford},
publisher = {Clarendon Press},
pages = {57--73},
}