TY - CHAP A1 - van de Kaa, D.J. T1 - Demographic revolutions or transitions. A foreword Y1 - 2004b A3 - Frejka, T. A3 - Sardon, J.P. T2 - Childbearing trends and prospects in low-fertility countries: A cohort analysis CY - Dordrecht PB - Kluwer Academic Publishers SP - x EP - -xiv ER -