@inbook{Sobotka2018a,
author = "Tomas Sobotka and Eva Beaujouan",
title = "Late motherhood in low-fertility countries: Reproductive intentions, trends and consequences",
year = 2018,
booktitle = "Preventing age related fertility loss",
publisher = "Springer",
pages = "11-29",
url = "https://www.springer.com/gp/book/9783319148564"
}