@inbook{Macura1997,
author = {Macura, M. and Klijzing, E.},
title= {Cohabitation and extra-marital childbearing: Early FFS evidence},
year = {1997},
booktitle = {International Population Conference, Vol. 2},
address = {Liege},
publisher = {IUSSP},
pages = {885--902},
}