@article{Castro2011,
author = "Castro, R.",
title = "The role of old mothers on fertility recuperation in European countries",
year = 2011,
journal = "The Public Policy Institute of the Faculty of Economics and Business at Universidad Diego Portales (UDP)",
month = "Aug",
keywords = "fertility recuperation, cohort fertility, demographic methods.",
url = "http://www.politicaspublicas.udp.cl/media/publicaciones/archivos/276/Documento_completo.pdf"
}