@inbook{Livi-Bacci1986,
author = {Livi-Bacci, M.},
title= {Social-group forerunners of fertility control in Europe},
year = {1986},
editor = {Coale, A.J.},
editor = {Watkins, S.C },
booktitle = {The Decline of Fertility in Europe},
address = {Princeton},
publisher = {Princeton University Press},
pages = {182--200},
}