@inbook{Caldwell1982,
author = {Caldwell, J.C.},
title= {The wealth flow theory of fertility decline},
year = {1982},
editor = {Hoehn, C.},
editor = {Mackensen, R.},
booktitle = {Determinants of Fertility Trends: theories re-examined},
address = {Liege},
publisher = {Ordina Editions},
}