@inbook{Schoenmackers1981,
author = {Schoenmackers, R. and Shah, I.H. and Lesthaeghe, R.J. and Tambashe, O.B. },
title= {The child-spacing tadition and the postpartum taboo in tropical Africa: Anthropological evidence},
year = {1981},
editor = {Page, H.J.},
editor = {Lestaeghe, R.J.},
booktitle = {Child-spacing in tropical Africa: Traditions and change},
address = {London},
publisher = {Academic Press},
pages = {25--71},
}