@article{J.2021a,
author = "Nisén J., Klüsener S., Dahlberg J. et al",
title = "Educational Differences in Cohort Fertility Across Sub-national Regions in Europe",
year = 2021,
journal = "European Journal of Population ",
volume = 37,
pages = "263-295",
url = "https://doi.org/10.1007/s10680-020-09562-0"
}